Tired of ads, trackers, and creepy websites following you everywhere?
NextDNS is one of the easiest and most powerful ways to protect your privacy — and your family's — privacy on all devices.

It works like a smart shield for your internet: blocks ads, stops trackers, protects from malware, and even lets you set parental controls — all without installing browser extensions.

Best part? You can set it up in under 10 minutes.

Let’s go!

Why NextDNS is Awesome

• Blocks ads everywhere (YouTube, apps, games — not just browser)

• Stops Google/Facebook from tracking you

• Protects against viruses and phishing sites

• Works on phones, laptops, tablets, smart TVs, even IoT devices

• Shows you exactly who is trying to track you (cool logs!)

• Free tier is very generous (300,000 queries/month)

Ready? Let's set it up!

Step 1: Create Your Free NextDNS Account

Go to → https://nextdns.io
Click “Sign up for free” → use email or GitHub/Google

After signing up, you’ll see your unique ID (looks like abcd12)
Save this! You’ll need it in every step.

Step 2: Set Up NextDNS on Your Devices (Pick Yours)

🖥️ Windows (Easiest Way)

1. Go to: https://nextdns.io/apps

2. Download the NextDNS app for Windows

3. Install → Open → Enter your ID (abcd12)

4. Turn it ON 🟢

Done! All ads and trackers blocked system-wide.

💻 macOS

Same as Windows:

• Download from https://nextdns.io/apps

• Install → Enter your ID → Enable

📱 Android (No App Needed!)

1. Open Settings → Network & Internet → Private DNS

2. Choose “Private DNS provider hostname”

3. Type for Example: dns.nextdns.io/abcd12 (replace abcd12 with your real ID)

4. Save

Yeah! Encrypted + ad-free on your phone.

🍎 iPhone / iPad

1. Open Safari on your iPhone

2. Go to: https://apple.nextdns.io/abcd12
   (replace abcd12 with your ID)

3. Tap “Allow” → Go to Settings → “Profile Downloaded”

4. Tap Install → Install → Done

Now your entire iPhone uses NextDNS securely.

🏠 Router (Best Option — Protects Everything!)

Want to protect your smart TV, PlayStation, smart fridge, guests?

Set NextDNS once on your router → every device is protected automatically.

Simple method (works on most routers):

1. Log into your router (usually 192.168.1.1 or 192.168.0.1)

2. Find DNS settings (under WAN, Internet, or LAN/DHCP)

3. Change DNS servers to NextDNS ones (copy from your dashboard → Setup → IPv4 addresses)

Even better (if your router supports DoH): Use this link as DNS: https://dns.nextdns.io/abcd12 textPopular routers that support it: ASUS, GL.iNet, TP-Link (some models), OpenWrt, pfSense, etc.

Recommended Settings (Go to my.nextdns.io)

After setup, log in to https://my.nextdns.io and tweak these:

Privacy (Block Trackers & Ads)

Enable these blocklists:

• OISD (Big)

• AdGuard DNS filter

• StevenBlack Hosts

Security

Turn on all these:

• Threat Intelligence Feeds

• Malware & Phishing Protection

• Cryptojacking Protection

Parental Controls (Optional)

Block:

• Adult content

• Gambling

• Social media (TikTok, Instagram, etc.)

Also enable:

• Force SafeSearch (Google, YouTube, Bing)

• YouTube Restricted Mode

Performance & Privacy Boost

Go to Settings tab:

• Enable Cache Boost → faster loading

• Disable ECS → better privacy

• Enable Block IDN Homographs → stops fake domains like gοοgle.com

Troubleshooting (Common Fixes)

Final Tips

• Start simple — use just OISD + AdGuard lists

• Check your logs weekly — you’ll be shocked who’s tracking you

• Put it on your router = set once, forget forever

• Free plan is enough for most people (300k queries ≈ 5–10 devices)

That's it!

In less than 10 minutes, you now have:

• No more ads in apps & YouTube

• Full tracker blocking

• Malware protection

• Parental controls (if needed)

• Full visibility into your internet

Welcome to a cleaner, faster, and private internet! 🌐

🔗 Your dashboard: https://my.nextdns.io

Drop a comment if you get stuck — happy to help! 😊

If you found this guide helpful, feel free to share it with friends using my referral link: https://nextdns.io/?from=fq3gdq4h — it helps support the blog and you’ll get rewards too if they upgrade!

Drop a comment if you get stuck — happy to help!

After years of using Windows 11, I wanted to explore Ubuntu for coding, automation, and Linux-based projects.

But setting up a dual-boot system on a Dell laptop wasn’t as straightforward as I expected — especially with Dell’s RAID configuration and Intel RST storage system.

Here’s my complete journey — the steps I followed, the BIOS issues I faced, and how I finally got Windows and Ubuntu to live together in peace.

Step 1: Creating a Restore Point (Absolutely Important!)

Before changing anything, I created a System Restore Point on Windows 11.
Think of it like a “time machine” — it saves your system’s current state, so you can roll back if anything goes wrong.

💡 Why it’s important:

• BIOS or partition changes can sometimes corrupt Windows boot loaders.

• Dual boot setups may accidentally overwrite EFI or MBR records.

• A restore point ensures your system can be recovered without reinstalling everything.

🪄 How to create it:

1. Search “Create a Restore Point” in Windows search.

2. Choose your C: drive and click Configure → Turn on system protection.

3. Set maximum usage (around 5–10%).

4. Click Create, give it a name (e.g., “Before Ubuntu Install”), and save.

💾 Pro tip: Combine this with a full backup of your important files.

Step 2: Creating a Separate Partition for Ubuntu

Ubuntu needs its own space to live.
Instead of creating a new drive, I simply shrunk the main volume to make space.

🪜 Here’s how:

1. Press Win + X → Disk Management.

2. Right-click your C: drive → Shrink Volume.

3. Enter the space you want for Ubuntu (at least 50GB recommended).

4. You’ll now see Unallocated Space — don’t format or assign a letter.

This un-allocated space will later be used during Ubuntu installation.

Step 3: Creating a Bootable USB Drive for Ubuntu

I downloaded the latest Ubuntu ISO from ubuntu.com/download.
Then I used Rufus to create a bootable USB drive.

⚙️ Rufus settings I used:

Device: USB drive Boot selection: Ubuntu ISO Partition scheme: GPT Target system: UEFI (non-CSM)

Click Start, wait for it to finish, and safely eject the USB.

Step 4: Changing Dell BIOS Settings (The Tricky Part)

After inserting the USB drive, I restarted my Dell laptop and pressed F2 to enter BIOS.
When I selected the USB drive to boot from, I immediately got a storage-related error — Ubuntu couldn’t detect the disk.

That’s when I learned that Dell systems come configured with RAID mode (Intel Rapid Storage Technology), which Ubuntu doesn’t support by default.

Here’s how I fixed it:

1. Restart and press F12 → BIOS Setup.

2. Go to Storage Configuration.

3. Change the option from RAID → AHCI.

4. Save and Exit.

💡 Do NOT change the drive priority or disable boot devices unless necessary.

Now, Ubuntu recognized the drive perfectly.

Step 5: Installing Ubuntu (Manual Mode)

When Ubuntu loaded the GRUB menu, I selected “Try Ubuntu” to make sure everything worked.

Then I started the installation manually instead of choosing the recommended “Install alongside Windows” option.

What I did:

1. Selected Manual Partitioning.

2. Chose the Free Space I created earlier.

3. Created a new partition:

   • Mount point: /

   • File system: ext4

4. Selected the option to install updates and third-party drivers (Wi-Fi and graphics).

Once done, Ubuntu installed smoothly.
I unplugged the USB and restarted.

Step 6: The Boot Problem — Windows Not Loading

After installation, GRUB appeared — showing both Ubuntu and Windows.
But when I selected Windows, I got an error message.

Here’s how I solved it:

1. Restart → Press F12 → Enter BIOS again.

2. Go to Storage Configuration → Switch back to RAID mode.

3. Save changes and exit → Windows booted perfectly!

But now Ubuntu stopped loading — so here’s the crucial next step.

Step 7: Enabling AHCI Support in Windows (The Crucial Fix)

To make both OSes work under AHCI mode, I had to enable AHCI drivers on Windows safely.

Here’s how:

1. Open Run (Win + R) → type msconfig → press Enter.

2. Go to Boot tab → Safe Boot → Minimal → Apply and restart.

3. During restart → Press F12 → BIOS → Switch to AHCI → Save & Exit.

4. Windows booted in Safe Mode under AHCI and installed the drivers.

5. Open msconfig again → disable Safe Boot → restart normally.

Now both Windows and Ubuntu worked perfectly under AHCI mode!

Step 8: Pro Tips Before Dual Booting

Here’s what I learned from this journey:

• Disable Secure Boot in BIOS before installing Ubuntu.

• Turn off BitLocker encryption — it can block partition changes.

• Always backup files and create a Restore Point.

• Use manual partitioning for better control.

• Keep Rufus and BIOS firmware updated.

Final Thoughts

Dual booting is like teaching two powerful operating systems to share one home.
On Dell laptops, RAID vs AHCI is the main challenge — once you understand it, the rest becomes a smooth ride.

Now I can enjoy both worlds — Windows for productivity and Ubuntu for development — without conflicts.
watch this video to below

Have you ever faced issues installing Ubuntu or dual booting on a Dell laptop?
Share your experience in the comments — I’d love to hear how you fixed it!

✍️ Written by Aravind Kumar Yedida — a tech enthusiast sharing real-world fixes.

My 5-Year Journey with Dell

I’ve been using Dell laptops for over five years, and I’ve always admired the ecosystem and the software support Dell provides. The seamless updates, Dell SupportAssist, and the reliability of their systems made me a loyal Dell user.

But recently, I ran into a problem I had never experienced before — a sound issue that turned into a full-blown BIOS and storage configuration challenge.

Here’s my story of how I solved it manually, what went wrong, and the lessons every Dell user should learn before resetting or reinstalling Windows.

The Problem: No Sound, No Devices, and a Lot of Confusion

It started with something simple: no sound output.

The sound icon showed an “X”, and even when I connected my Bluetooth earbuds, nothing worked.

I began troubleshooting step by step:

• Checked Windows sound settings

• Verified all Audio Services were running

• Ran Windows Updates

But new error codes started showing up. That’s when I decided to get help.

The Support Attempts: Dell and Microsoft Couldn’t Fix It

I contacted Dell Support for remote assistance. The technician tried multiple fixes, but even after remote troubleshooting, the sound issue remained.

Finally, they advised me to visit a Dell Service Center under warranty.

Before doing that, I also contacted the Microsoft Support team, hoping for a software-based fix. But their final suggestion was:

“You need to reset your laptop completely.”

So, I backed up my data and decided to reset Windows 11 manually.

That’s when everything went wrong.

The Real Issue: RAID vs AHCI Conflict

While installing Windows from a bootable USB drive, the drive volumes didn’t appear.

In BIOS, I noticed my storage mode was set to RAID. Out of curiosity, I switched it to AHCI, and suddenly, the drives became visible. Thinking that was the fix, I formatted the C drive and installed Windows.

Big mistake.

After restarting, I noticed:

• All Dell drivers were missing

• Intel Rapid Storage Technology (RST) was gone

That’s when I realized what happened. Dell laptops are configured with Intel Rapid Storage Technology (RST) under RAID mode. By changing it to AHCI, I broke that communication link between Windows and Dell’s hardware.

Understanding the Dell Ecosystem: RAID, AHCI, and Dell Support OS

Detail summary of Storage AHCI and RAID volumes view here

Dell uses Intel Rapid Storage Technology (RST) to manage how your laptop communicates with internal storage.

There are two main modes in BIOS:

• RAID (Default) – Managed by Intel RST, optimized for Dell drivers and stability.

• AHCI – Generic mode, not tuned for Dell’s preloaded drivers.

Switching between them causes major driver mismatches.

I learned that Dell laptops come with a preinstalled Dell Support OS — a lightweight recovery environment separate from Windows.

This built-in system is the safest way to recover your Dell laptop, because it preserves your original Factory Image and Intel RST drivers.

My Mistakes (And Why You Should Avoid Them)

Here are the mistakes I made — and what I learned from each:

• Used a generic Windows 11 image instead of Dell’s recovery image. → Always use Dell Support OS or Factory Image Reset.

• Switched from RAID to AHCI in BIOS. → This caused driver and device loss.

• Formatted partitions manually. → Never format Dell partitions; they contain your recovery and factory images.

• Selected “Update Image” instead of “Factory Image” during reset. → “Update Image” performs a clean install and removes your original Dell configuration.

• Ignored Dell Command | Update and BIOS updates. → Always use Dell Command | Update to keep BIOS and drivers aligned.

Why Dell Support OS and Factory Image Reset Are Essential

The Dell Support OS (also called Onboard Diagnostics or OSD) is your best friend when troubleshooting.

It helps determine whether a problem is hardware or software-related. If your sound, display, or storage fails, run a diagnostic first — it can save hours of guesswork.

When resetting, always use Factory Image Reset. This option reinstalls your original Windows setup with Dell’s certified drivers and RST integration — keeping everything in sync.

My Final Solution

After realizing the problem, I reinstalled Windows in RAID mode, loaded Intel RST drivers manually, and used Dell Command | Update to restore all missing firmware and device drivers.

Within an hour, sound and Wi-Fi were back, and the system was stable again.

Problem solved — the right way.

Final Conclusion: Respect the Dell Ecosystem

Here’s what every Dell laptop user should remember:

• Use Dell Support OS and Factory Image Reset for all system issues.

• Never switch RAID to AHCI or vice versa unless guided by Dell support.

• Avoid Windows Insider builds; beta updates can cause hardware conflicts.

• Regularly check for BIOS and firmware updates from Dell’s website.

These small steps can save you from major OS failures and driver loss.

If you’re a Dell laptop user and want to avoid these mistakes —
Like this post, subscribe to my newsletter, and connect with me for more hands-on solutions and troubleshooting insights.

Ask me if you’re facing similar issues contact me: yaravind@proton.me— I’ve been there, fixed it, and I’m here to help others save time and frustration.

Let’s play a quick game. Think of every online account you have—Netflix, Gmail, Instagram, your bank, that random forum you joined in 2012. Now, count how many unique passwords you use across them.

Stuck at five?

You're not alone. The average person juggles over 150 passwords today. But here's the scary part: data breaches are now a daily headline, and hackers are betting on you reusing "password123" one more time. It’s not about if you’ll get hacked, but when. 80% of Data Breaches Happen Because of Weak or Reused Passwords. Still Relying on Memory?

So, what's the escape route from this digital chaos? Password managers. But not just any password manager—the one that's rewriting the rules: Proton Pass.

What Are Password Managers Exactly? Can We Trust Them?

A password manager is like a secure vault for your digital keys. It stores all your passwords, generates strong ones for you, and even autofills them across websites and apps. Instead of remembering 150 passwords, you just need to remember one master password.

But here’s the big question: Can we trust these services?

I’ve been down that road. I’ve tried them all:

• Kaspersky Password Manager

• Keeper

• Dashlane

• 1Password

• LastPass (yes, even after their data breach)

Each had its moments, but none felt quite right. Either it was privacy concerns, clunky user experiences, or just too many compromises.

Here Comes Proton Pass,

A revolutionary password manager designed to address the shortcomings of its predecessors. Proton Pass is developed by the same team behind ProtonMail, known for their commitment to privacy and security. This password manager not only securely stores your passwords but also offers advanced encryption to ensure that your data remains private and protected from prying eyes. Proton Pass goes beyond the basics by providing features like secure password sharing, multi-factor authentication, and seamless integration with your browser and mobile devices. With Proton Pass, you can generate strong, unique passwords for each of your accounts, reducing the risk of data breaches caused by weak or reused passwords. Its user-friendly interface makes it easy to manage your digital security, giving you peace of mind in an increasingly digital world.

1. Proton’s Secret Sauce: Privacy-First DNA

Unlike other apps designed to "maximize user engagement" (translation: exploit your data), Proton Pass was forged in a different world—CERN, the birthplace of the internet itself. Imagine scientists, frustrated by an internet ruled by surveillance capitalism, deciding to build a fortress for your digital life. That’s Proton’s origin story.

• Non-Profit Ownership: Proton AG answers to a foundation, not investors.

• Swiss Privacy Shield: Your data lives under the world’s strictest privacy laws.

• No Ads, No Tracking—Ever: Privacy isn’t a setting; it’s the default.

2. Proton Pass: Your Digital Cloak of Invisibility

Other password managers? They’re glorified keychains. Proton Pass? It’s a digital identity shield.

• Hide-my-Email Aliases: Give websites a fake email that forwards to you. Spam? Phishing? Dead on arrival.

• One-Click Identities: Autofill forms without revealing yourself.

• Encrypted Notes & Files: Store confidential documents—passport scans, secret projects, anything.

• Built-in 2FA Codes: Forget juggling apps like Authy.

• Passkey Ready: The future is passwordless, and Proton is leading.

3. A Security Fort Knox Under the Hood

If most password managers are safes, Proton Pass is a vault within a vault.

Proton Pass builds trust, transparency, and fair pricing.

• Free Tier? Best in Class: Unlimited passwords, devices, plus 10 email aliases. For free.

• Proton Sentinel: AI + human-powered defense squad watching your back.

• All-In Privacy Suite: Mail, VPN, Drive, Calendar—all integrated.

• Affordable Premium Plans: $36/year. Privacy doesn’t have to bankrupt you.

How Proton Pass Stands Out: My Honest Comparison

1. Security & Privacy: The Gold Standard

Other managers encrypt passwords. Proton encrypts everything—usernames, URLs, notes, metadata.

2. Custom Domain Support

Want to create email aliases like login@yourdomain.com? Proton Pass lets you use custom domains, something even big names like Dashlane and 1Password make complex or don’t offer natively.

3. Unlimited Entries (Even on Free Tier)

I was tired of “Free plans” that capped me at 50 passwords. Proton Pass’s free tier gives unlimited entries and devices. No sneaky limitations.

4. MFA and 2FA Integration

Managing my Two-Factor Authentication (2FA) codes in separate apps was a pain. Proton Pass integrates MFA/2FA (TOTP) codes right inside. One click, one place. Yet, it doesn’t compromise on security principles.

5. Hide-My-Email Aliasing

Proton’s hide-my-email feature is a game changer. You can create disposable email aliases on the fly, stopping spam and protecting your real email from breaches. I’ve used this to sign up for newsletters and services—when they get spammy, I just burn the alias.

6. Easy Import from Other Password Managers

Moving from other managers? Proton Pass made importing my data ridiculously simple. Whether it was CSV exports from LastPass, or direct imports from Dashlane, it took me minutes—not hours.

Proton Ecosystem Services

Takeaway: The Internet Has Changed. Have You?

You wouldn’t store your life savings in a cardboard box. So why gamble with your digital identity?

In 2025, privacy isn’t optional. Proton Pass isn’t just a password manager; it’s your personal vault, your bodyguard, and your digital clean slate.

Available student discounts on Proton

Discounts are offered on various Proton plans for a limited period, with some plans offering extensions.

• Proton Pass Plus: Free for one year. You can get a second year free by referring two friends who are also verified students and new to Proton.

• Proton Mail Plus: 80% off for the first month.

• Proton Drive Plus: 50% off for 12 months.

• Proton VPN Plus: 50% off for 12 months.

• Proton Unlimited: 50% off for 12 months. This bundle includes Proton Mail, VPN, Drive, and Pass.

How to apply for a student discount

1. Create a Student Beans account: Visit the Student Beans website to create a free account and verify your student status.

2. Verify your student status: You can verify your enrollment by logging into your academic portal, using your student email address, or submitting a valid document issued by your institution.

3. Choose your Proton plan: After verification, you can select your desired Proton plan directly through the Student Beans portal.

4. Complete your purchase: You will be redirected to the Proton checkout page with the discount automatically applied.

Start with Proton Pass’s free tier. Feel the difference. Experience a password manager that respects you.

Download Proton Pass today. Secure your identity for good.

The question is not whether machines can think, but whether we can understand the thinking they simulate.
— Inspired by Alan Turing

🔍 Introduction: Beyond Imitation

For most of its history, Artificial Intelligence (AI) has been treated like an overachieving calculator—brilliant at logic, but not much else. It could play chess, crunch numbers, and obey instructions. But could it dream? Could it imagine?

Welcome to the new world of Generative AI—a domain where machines compose poetry, paint surreal landscapes, write software, and even mimic human conversation with eerie fluidity. This isn't just a matter of prediction or pattern recognition. It's about machines creating something new—not memorized, not copied, but synthesized.

The rise of Generative AI signals a paradigm shift: from artificial intelligence to artificial imagination.

📚 A Quick History of Machine Creativity

Before diving into how Generative AI works, let’s zoom out. The idea that machines could be creative isn’t new—it’s been brewing for decades:

• In the 1950s, Noam Chomsky proposed the idea of generative grammar—that human language is not just remembered phrases, but a deep system for generating infinite, novel expressions.

• In 1975, Marvin Minsky wrote about the “society of mind,” where intelligence arises from interacting simple parts—similar to today’s multi-modal models.

• Ada Lovelace, often considered the world’s first programmer, envisioned that machines could one day compose music.

We’re now living in the realization of those dreams.

🧬 Computational Creativity: A Machine’s Drive to Invent

Unlike traditional rule-based systems, Generative AI does not operate with hard-coded logic. Instead, it learns to explore possibility spaces—vast mathematical terrains where every coordinate represents a potential word, image, or idea.

This is the domain of computational creativity.

Instead of asking, “What is the right answer?” Generative AI asks, “What is possible here?”

At the core of this lies probabilistic reasoning. That’s where the stochastic nature of these models comes in.

🌌 What Is Latent Space, Really?

Generative models like GPT-4 or Stable Diffusion rely on something called latent space—a compressed, abstract representation of all the patterns the AI has learned.

Imagine this space as a cloud of imagination. Each point in the cloud isn’t a single word or picture—but a bundle of meaning, style, and structure.

Just as a painter recalls brush strokes from memory, a generative model navigates latent space to create something new.

The shapes within this space are described as neural manifolds—complex, curved paths that represent relationships between ideas. It's the digital equivalent of intuition.

⚙️ Stochastic Magic: Why AI Never Says the Same Thing Twice

Generative AI works by sampling—it doesn’t always choose the most likely output. It introduces randomness, guided by probability.

This is called stochastic modeling.

Here’s why it matters:

• It allows for creativity. If models always picked the most likely word, they’d be boring.

• It simulates the unpredictability of human thought.

• It creates emergent semantics—meanings that arise naturally, rather than being preprogrammed.

🤖 Symbolic vs. Sub-symbolic AI: Two Approaches to Thought

Earlier AI systems were symbolic—they relied on formal rules. Think logic puzzles and if-then statements.

Generative AI is sub-symbolic. It doesn’t follow rules—it absorbs patterns. It learns the “vibe” of things, much like a toddler picking up language by listening, not by reading grammar books.

This shift from logic-based to pattern-based learning is why Generative AI feels so intuitive and humanlike.

🧠 Can Machines Really “Imagine”?

We tend to equate imagination with feelings, memory, and purpose. Machines don’t have any of these—at least not yet.

But what they do have is:

• Multimodal learning: Text, images, audio—all processed and connected.

• Reinforcement feedback: Human preferences used to guide output.

• Generative adversarial cognition: A kind of internal dialogue, where one model creates and another critiques.

These architectures echo cognitive architectures from early AI research. They don’t simulate emotion—but they simulate intuition frighteningly well.

🧪 Sample Code: Text Generation with GPT-2

Here’s how you can run a simple text generation model locally using Hugging Face Transformers:

from transformers import GPT2LMHeadModel, GPT2Tokenizer

model = GPT2LMHeadModel.from_pretrained("gpt2")
tokenizer = GPT2Tokenizer.from_pretrained("gpt2")

prompt = "The future of creativity belongs to"
input_ids = tokenizer.encode(prompt, return_tensors="pt")

output = model.generate(input_ids, max_length=50, do_sample=True, temperature=0.9)
print(tokenizer.decode(output[0]))

Try modifying the prompt to explore how stochastic modeling affects the result!

🧭 Generative AI in Everyday Life

You may already use Generative AI without realizing it:

• 🧠 Auto-generated captions and summaries

• 📧 Email autocomplete (e.g., Gmail)

• 🎨 AI-generated social media ads

• 📝 Copywriting tools like Jasper.ai

🖼️ AI art for blogs, presentations, and branding

Behind the scenes, these tools rely on a mix of transformers, diffusion, and GANs—the engines of creativity we’ll explore in Part 3.

Final Conclusion: A Mirror of the Mind

Generative AI does not think—it mirrors thinking. It mimics creativity not because it understands, but because it learned how it looks from us.

We are entering an era where imagination is no longer uniquely human—but how we use and shape that machine imagination may still define our species.

As we stand at the threshold of synthetic imagination, the real question isn’t “Can machines dream?”
It’s: “What will we dream together with them?”

---

🔗 Up Next in Part 2...

In Part 2 of this series, we’ll explore the cultural roots and myths of AI—from ancient legends to modern fears. We’ll ask:

• What does it mean to create intelligence?

• Is AI a tool or a new form of artist?

• Can creativity exist without consciousness?

Stay tuned!

DNS is how the internet knows where to send you when you type a website name.
But if the wrong person answers that query — you could land on a fake site, or worse.
That’s why DNS protection matters more than antivirus today.

🧠 What Is DNS (Without the Jargon)?

Think of DNS as the phonebook of the internet.

When you type:

luaCopyEditwww.nextdns.io

Your computer asks:

“Hey, where’s this?”

DNS answers:

“It’s at 185.228.168.168.”

That IP address is what your browser actually needs.

💥 Why DNS Is Both Magical and Dangerous

Every time you use the internet — your device makes a DNS request. But:

• If someone malicious intercepts or answers incorrectly, they can:

  • Redirect you to fake websites

  • Monitor your activity

  • Inject ads, malware, or phishing traps

🚀 Meet Your Online Bodyguards: NextDNS & SafeDNS

These DNS services are like private bodyguards for your internet traffic.

Why I Use Them:

• Encrypted DNS (DoH/DoT): Nobody snoops on your queries

• AI-Powered Protection: Detects and blocks malware & phishing in real-time

• Content Filtering: Parental controls and app blocking with one click

• Detailed Analytics: Know what’s happening on your devices

• Cross-Device Sync: Works on phones, laptops, routers — everywhere

🔍 Why DNS > Antivirus in 2025

Let’s simplify:

• 🔒 Antivirus = Guard at the door, fights after threats enter

• 🛡️ DNS Filtering = Blocks threats from knowing where you live

Prevention > Reaction.
Most cyberattacks begin with a DNS query. Stop that — and you stop the attack.

🧱 How NextDNS & SafeDNS Stop MitM Attacks

Here’s how they break the attacker’s chain:

• 🚫 Block phishing domains in real time

• 🧠 Detect & stop new threats using AI

• 🔐 Encrypt DNS traffic — so no eavesdropping

• 🛠️ Prevent DNS hijacking from malware

Combine this with:

• Browser security (HTTPS-first)

• 2FA

• Smart awareness

you're not an easy target anymore.

🧠 Simple Analogy to Remember

• Phishing: Sending your letter to the wrong address

• MitM: Someone reads and edits your letter without your knowledge

🏁 Final Thoughts – DNS Isn’t Just a Tool. It’s Your First Defense

Think of DNS as GPS for the internet.

If the GPS is wrong — you end up in the wrong place.

Using NextDNS or SafeDNS isn’t paranoia.
It’s how you reclaim your privacy, security, and freedom online.

🎖 Ambassador’s Note

As someone who uses and recommends both platforms daily:

• I help families set up DNS filtering for kids

• I help small businesses secure remote teams

• I help creators stay protected without losing performance

If you need help setting it up — I’ve got your back.

What's your current approach to online security? Share your thoughts below!"

📦 Future Resources

Want More?

• Download This Article as PDF

• NextDNS vs. SafeDNS: Feature Comparison

• How to Set Up NextDNS and Safe DNS in 3 Minutes

• Follow Me on Hashnode for Weekly Network-security Tips

🧠 Subscribe to My Newsletter: Internet Security Simplified

Get simple guides, threat alerts, and tools to secure your digital life — no tech jargon.

Hello everyone,

This is a crucial moment to recognize the importance of taking control of AI systems. In this blog, I aim to highlight why ethical oversight is essential to address biases and ensure fairness in AI.

What Do We Mean by Ethics?

Ethics revolves around fundamental principles such as good and evil, right, and wrong, and justice and injustice.

When it comes to AI, ethics focuses on the behaviour of AI-powered systems, treating themas artificial moral agents capable of navigating complex decision-making scenarios.

Solution: Ensure Transparency, Fairness, Accountability

Designing Principles:

Principle of Fairness

Scenario: Imagine you have a med tech company and want AI systems to generate medical treatment plans for patients.

Challenges:

• Biased Conditions: If the AI system is trained on biased datasets, it may favor certain demographics while neglecting others.

• Unintentional Discriminations: The system may disadvantage certain groups due to underlying biases in the data.

Solution

• Active Engagement of AI systems: Implement fairness-aware AI models that continuously assess and mitigate bias.

Principle of Accountability

Scenario: Some medical companies utilize AI-driven robotic systems to perform surgeries. But what happens when a procedure goes wrong? Who is responsible—the doctor or the software developer who built the AI?

Challenges:

• Unclear Responsibility – Determining accountability in AI-driven medical errors is complex.

• Ethical & Legal Concerns – Without a well-defined responsibility framework, liability issues may arise.

Solutions:

• AI communities or Dedicated team should continuously monitor its outcomes.

• End-to-End Accountability – AI systems must be designed with built-in responsibility at every stage of development, from data collection to deployment.

Principle of Transparency

To build trust in AI, transparency is essential. Stakeholders—whether doctors, patients, or regulators—must understand how AI reaches its conclusions.

• Clear Explainability – AI systems should provide insights into their decision-making processes.

• Defined Boundaries – Establishing limits on AI autonomy ensures human oversight in critical decisions.

• Stakeholder Awareness – Making AI operations transparent allows stakeholders to trust and effectively use AI-driven insights.

Applying AI Ethics

As a Data Analyst aspirant with a passion for AI, I am committed to developing skills that contribute to designing AI systems that align with ethical principles. But this raises critical questions:

• What culture of responsibility and accountability do we uphold when making decisions about the use of technology?

• How do we define ethics, trust, and responsibility in AI?

• Do we always know the right course of action and how to implement it effectively?

Since 2016, nations, organizations, and corporations worldwide have established AI principles and guidelines. The 2020 EU initiative on AI identified three core values that guide most of these ethical frameworks:

Common Values in AI Ethics:

• Human rights and well-being

• Prevention of social harm & promotion of social justice

• Environmental sustainability

To safeguard these values, ethical AI frameworks emphasize several key principles:

Core Ethical Themes in AI Governance:

Privacy & Security – Ensuring data protection and cybersecurity in AI applications.
Fairness & Equity – Mitigating bias and ensuring AI-driven decisions are just and unbiased.
Transparency & Explainability – Making AI decision-making processes understandable and accountable.
Human Control & Dignity – Keeping human oversight at the core of AI development and deployment.
Non-Maleficence & Prevention of Misuse – Preventing harm, unethical applications, and unintended consequences of AI.

Conclusion: Designing AI for an Ethical Future

As we continue advancing AI technology, it is imperative that we ask ourselves: Are we shaping AI, or is AI shaping our future? The ethical choices we make today will determine the impact of AI on generations to come. Ethics, fairness, accountability, and transparency should not be afterthoughts—they must be foundational principles guiding AI’s evolution.

I want AI systems to be designed so that the design itself shapes our future—one that is just, responsible, and beneficial for all.

The importance of an ATS depends on the company’s recruitment practices. Larger organizations with structured hiring processes heavily rely on ATS to streamline hiring, while smaller businesses and creative fields often prioritize personalized applications and direct human interaction.

For instance, Google receives over 3 million job applications annually. Without an ATS, manually screening such a volume would be near impossible. ATS efficiently filters applications, advancing candidates who align with required skills while rejecting others.

What is ATS?

ATS is a software application designed to optimize recruitment by helping organizations filter and manage large numbers of applications. It evaluates resumes based on multiple criteria to identify the most suitable candidates.

Why Companies Use ATS

1. Efficiency: Quickly scans through thousands of resumes.

2. Consistency: Ensures hiring decisions are objective by focusing on predefined criteria.

3. Scalability: Handles high volumes during peak hiring periods.

Common ATS Functionality: The 10-Dimension Framework

ATS often evaluates resumes using a structured framework. Here are the 10 dimensions typically assessed:

1. Methodology Explanation: Clarity on tools, strategies, or processes used.

2. Action Verbs: Resumes should include impactful verbs like “Led” or “Implemented.”

3. Emphasis on Accomplishments: Focus on results instead of just duties.

4. Quantification: Use metrics (e.g., “Increased efficiency by 30%”).

5. Diverse Action Verbs: Avoid repetition across bullet points.

6. Spelling & Grammar: No errors; tenses must align with job history.

7. Bullet Length: Keep entries concise but detailed (15–30 words).

8. Avoid Buzzwords: Use specific examples rather than vague phrases like “team player.”

9. No Personal Pronouns: Keep resumes impersonal (no “I” or “my”).

10. Section Completeness: Include critical sections like Contact Info, Skills, Experience, and Education.

For Freshers: Standing Out in Competitive Job Markets

Freshers face unique challenges. To stand out, focus on:

• Highlighting Unique Skills: Tailor your resume to emphasize strengths.

• Personal Projects: Include outcomes and methodologies. For example:

  Built a responsive e-commerce website using HTML, CSS, and JavaScript, achieving 95% positive user feedback.

• Customizing Applications: Match each resume to the job description.

Common Mistakes When Optimizing for ATS

1. Overusing AI Tools: Excessive use of tools like ChatGPT can introduce irrelevant jargon or overly complex sentences, making your resume feel generic.

2. Ignoring Formatting Guidelines: Avoid tables, columns, and excessive graphics as ATS might misinterpret them.

3. Not Testing for ATS Compatibility: Use free ATS scanning tools to ensure your resume scores above 80%.

Quick Tips for an ATS-Friendly Resume

Do’s:

• Use standard fonts like Arial or Calibri.

• Submit resumes as Word documents (.docx) or plain text (.txt).

• Incorporate natural, job-relevant keywords.

• Proofread meticulously for errors.

Don’ts:

• Avoid excessive graphics or unusual layouts.

• Don’t overstuff keywords or rely entirely on AI-generated content.

Final Check

1. ATS Scan: Use tools like Resume-worded, Mployee.me, Jobscan to test compatibility.

2. Manual Review: Double-check for inconsistencies or errors.

"Cybersecurity is not a product, but a process." — Bruce Schneier

Five years ago, I faced a nightmare: my files fell victim to a ransomware attack. Every document, photo, and memory was encrypted beyond recognition. Panic set in as I clicked through the folders—each file locked away with a cryptic extension. But amidst the chaos, one oddity stood out: my ZIP files were untouched. Why? This question became my gateway to understanding ransomware attacks and securing digital assets.

Understanding Ransomware

Ransomware is malicious software that encrypts your files, making them inaccessible until a ransom is paid. The encryption is usually carried out with robust algorithms, and decryption is impossible without the corresponding key. Attackers often leverage online keys stored on their servers, meaning:

• Without payment, files are unrecoverable.

• Paying the ransom does not guarantee key retrieval.

Why Were ZIP Files Spared?

At first glance, it seemed like a bug in the ransomware. But as I delved deeper, I realized:

1. File Types and Target Lists:
   Many ransomware programs operate based on predefined file extension lists (e.g., .docx, .jpg, .pdf). They might overlook less common extensions or compressed files like .zip.

2. Nested Encryption Complexities:
   Files inside a ZIP archive are already compressed, and many ZIPs support optional encryption. Ransomware would need to decrypt the archive first, which complicates its operation.

3. Resource Prioritization:
   Encrypting ZIP files containing thousands of items is resource-intensive. Attackers might prioritize "easier targets" to maximize damage with minimal effort.

Can Attackers Access All My Files Post-Attack?

"The more we elaborate our means of communication, the less we communicate." — J.B. Priestley

Yes and no. If your system is compromised:

• Yes: Attackers may have exfiltrated data before encryption (double extortion).

• No: If encryption was their only goal and no data exfiltration occurred.

What Happens When Encryption Uses Online Keys?

Modern ransomware often uses online encryption keys unique to each victim. Here’s why this complicates decryption:

• Online Keys Are Dynamic: Each key is generated on the fly and stored on the attacker’s servers.

• No Offline Backups: Without access to the attacker’s server, decryption is impossible.

• No Generic Solution: Tools like brute force or decryption utilities won't work without the correct key.

How Can You Stay Safe?

"An ounce of prevention is worth a pound of cure." — Benjamin Franklin

1. Backup, Backup, Backup

Always maintain multiple backups—offline and cloud-based. Ensure backups are encrypted for added safety.

bashCopyEdit# Automate backups with a simple script
rsync -avh /source_directory /backup_directory

2. Regularly Update Software

Ensure all applications, especially operating systems, are up to date. Vulnerabilities in outdated software are prime targets for ransomware.

3. Be Cautious with Emails

Most ransomware attacks originate from phishing emails. Avoid clicking on suspicious links or downloading unexpected attachments.

4. Invest in Cybersecurity Tools

Antivirus and anti-malware tools can detect ransomware before it executes.

5. Learn About File Extensions

Understanding which files are commonly targeted helps prioritize their security. Use encrypted formats for sensitive data, such as .zip with strong passwords.

Quotes to Remember

"It takes 20 years to build a reputation and five minutes to ruin it. If you think about that, you'll do things differently." — Warren Buffett

"Ransomware may lock your files, but only you can lock your future."

Final Thoughts

The ransomware attack was a lesson in digital resilience. Knowing why my ZIP files were safe empowered me to better protect my data. Sharing this story, I hope to inspire you to adopt a proactive approach to cybersecurity. Remember: safeguarding your digital life isn't just a necessity; it's an ongoing commitment.

What are your thoughts or experiences with ransomware? Let’s discuss in the comments below!

Why is Encryption Important?

Cybercriminals commonly use advanced cryptographic algorithms to encrypt your data, locking you out unless a ransom is paid. This method primarily targets databases and personal files, making it crucial to safeguard your system.

Many users rely on external storage devices or cloud uploads, but protecting data at the source—your hard drive—is equally vital. Microsoft’s device encryption ensures that every file on your system is secure.

How Encryption Works

By default, data on Hard Disk Drives (HDD) and Solid State Drives (SSD) is unencrypted, meaning it’s accessible to anyone with physical or remote access. Microsoft’s device encryption addresses this vulnerability by encoding your data, making it readable only to authorized users.

Is Device Encryption Available on Your System?

To determine whether your system supports device encryption:

1. Open System Information:

   • Type System Information in the taskbar’s search box.

   • Right-click the result and select Run as administrator.

2. Check Device Encryption Support:

   • At the bottom of the window, look for Device Encryption Support.

   • If it says Meets prerequisites, your system is ready for encryption.

   • If not, you can still use BitLocker encryption, another robust solution from Microsoft.

Turning On Device Encryption

1. Sign in with an administrator account.

   • For help switching accounts, see Microsoft’s guide on creating local or administrator accounts.

2. Navigate to Settings > Update & Security > Device Encryption.

   • If you don’t see this option, device encryption isn’t available on your device. Try using BitLocker encryption instead.

3. If device encryption is off, click Turn On.

Enabling BitLocker Encryption

For systems that don’t support device encryption or are running on Windows editions like Pro or Enterprise, BitLocker is an alternative:

1. Open BitLocker Management:

   • Type Manage BitLocker in the search box and select the result.

   • Alternatively, go to Control Panel > System and Security > BitLocker Drive Encryption.

2. Enable BitLocker:

   • Follow the on-screen instructions to encrypt your drive.

   • Note: BitLocker is unavailable on Windows 10 Home Edition.

Key Takeaways

1. Device encryption secures your data, preventing unauthorized access.

2. It’s essential to check your system’s compatibility and enable encryption using either Device Encryption or BitLocker.

3. Combine encryption with regular backups and antivirus software for comprehensive protection.

Getting Support for Ransomware Attacks

If you find yourself the victim of a ransomware attack, there are resources available to help:

• Bleeping Computer: Offers detailed guides and tools for removing ransomware and recovering files.

• No More Ransom Project: Provides decryption tools and information about various ransomware strains.

• Local IT Professionals: Seek professional assistance if you are unable to resolve the issue on your own.

• Cybersecurity Forums: Engage with communities for advice and shared experiences.

Privacy is not just a right, but an essential requirement. — Marlon Brando

In today’s interconnected digital landscape, privacy often feels like a fleeting concept. But what exactly is privacy? Why is it so critical? And how can individuals safeguard their personal information against misuse? This blog aims to explore these questions, offering actionable insights to protect yourself in the online world.

What is Privacy?

Privacy refers to the right of individuals to keep their personal information confidential and to control how that information is shared or used. In the digital realm, data privacy encompasses protecting user information such as:

• Personally Identifiable Information (PII): Names, addresses, phone numbers, and identification numbers.

• Behavioral Data: Browsing habits, app usage, and online interactions.

• Sensitive Financial Details: Bank accounts, credit card numbers, and payment information.

In essence, data privacy ensures that users have autonomy over their personal data, preventing unauthorized access, misuse, or exploitation.

Why is Privacy Important?

As technology evolves, the significance of data privacy grows exponentially. Here are some compelling reasons why privacy is essential:

1. Protection Against Identity Theft

Cybercriminals often exploit stolen data for malicious purposes, including identity theft, financial fraud, and unauthorized account access.

2. Maintaining Autonomy

Privacy empowers individuals to control their own narrative, deciding what personal information they wish to share.

3. Prevention of Exploitation

Without adequate safeguards, your data could be weaponized to manipulate you through targeted advertisements, misinformation, or even phishing attacks.

Real-Life Example:

Imagine you’ve shared your phone number and address with an e-commerce website. If their database is compromised, cybercriminals could use this data to craft sophisticated phishing schemes, leading to financial or emotional distress.

The Digital Footprint: How Your Data is Collected

With the rise of online services, personal data is collected at an unprecedented scale. Here are common scenarios where your information might be gathered:

1. App Permissions: When you grant permissions to apps for accessing your location, contacts, or camera, this data may be stored or shared with third parties.

2. Online Forms: Filling out forms on websites, whether for shopping, subscriptions, or feedback, often involves sharing sensitive details.

3. Browsing Habits: Cookies and trackers on websites monitor your online behavior to build detailed user profiles.

Here’s how you can minimize your digital footprint:

Simple Tips to Protect Your Privacy:

Use strong, unique passwords for every account.
Enable two-factor authentication wherever possible.
Regularly clear your browser’s cache and cookies.
Be cautious about sharing sensitive information on unsecured websites.

How to Safeguard Your Privacy

To protect your data, consider these actionable steps:

1. Educate Yourself

Understanding the risks and learning best practices is the first step toward privacy. Read privacy policies and understand the terms before agreeing.

2. Use Encryption Tools

Encryption tools ensure your data remains unreadable to unauthorized users. For instance, applications like Signal or ProtonMail offer end-to-end encryption for secure communication.

3. Limit Permissions

Review and revoke unnecessary app permissions on your devices regularly.

4. Secure Your Networks

Always use a Virtual Private Network (VPN) when accessing public Wi-Fi. This masks your online activity and protects your data from potential breaches.

// Example of using a VPN API
const vpnService = require('vpn-api');

vpnService.connect('secure-server', (status) => {
    if (status === 'connected') {
        console.log('Your network is secure!');
    } else {
        console.log('Failed to connect. Try again.');
    }
});

5. Be Wary of Phishing Scams

Avoid clicking on suspicious links in emails or messages. Always verify the source before sharing sensitive details.

Final Thoughts

As the world becomes increasingly digital, protecting your data is not just a necessity; it’s a responsibility. By adopting the practices outlined in this blog, you can take control of your privacy and minimize your risk of exposure.

“Privacy isn’t about hiding something; it’s about protecting something.”

Stay informed, stay vigilant, and make privacy a priority in your digital journey. For more tips and resources, follow more cyber tips our blog at AravindInsights.

Moments later, chaos unfolded. Files were corrupted, appended with strange extensions, and my PC was effectively paralyzed. This ransomware attack taught me crucial lessons about the risks of unverified downloads and the importance of robust security practices.

Understanding Ransomware: How It Works

Ransomware attacks, like the one I faced, are often part of broader malware distribution strategies. Here’s how they typically operate:

The Infection Chain:

1. Delivery Mechanism: Ransomware is usually distributed via:

   • Spam Emails: Deceptive emails containing malicious links or attachments.

   • Untrustworthy Download Sources: Peer-to-peer sharing networks and unofficial websites.

   • Illegal Activation Tools: "Cracks" that infect systems instead of activating software.

   • Fake Updaters: Exploiting outdated programs to install malware.

2. File Execution: These malicious files can take various forms:

   • Executables (.exe, .run)

   • Archived Files (.zip, .rar)

   • Document Formats (PDF, Microsoft Office)

   • JavaScript or other scripts

3. Attack Deployment: Once executed, the ransomware encrypts files and often appends them with unique extensions. Victims are then prompted to pay a ransom to regain access.

Real-World Example: WannaCry Attack

A major ransomware outbreak, WannaCry, targeted outdated systems worldwide in 2017. It leveraged a vulnerability in Windows systems (patched by Microsoft months before) to propagate rapidly, locking out users globally and demanding payments in Bitcoin. This highlights the critical importance of system updates.

Mitigating Ransomware Attacks

Here are actionable steps to protect yourself:

1. Regular Updates:

• Keep your operating system and applications updated to patch vulnerabilities. For Windows users:

  • Go to Settings > Update & Security > Windows Update.

2. Install Antivirus Software:

• Use reputable antivirus tools and ensure Windows Defender or other solutions are active and updated.

3. Backups:

• Regularly back up your data to external drives or cloud storage. This ensures data recovery even after an attack.

4. System Restore Points:

• Create restore points periodically to roll back your system to a pre-attack state. Navigate to Control Panel > System > System Protection to set this up.

5. Encrypt Your Data:

• Encrypt sensitive data to protect it from unauthorized access. In Windows:

  • Go to Settings > Update & Security > Device Encryption.

Key Takeaways:

1. Never download software from unverified sources.

2. Disable macros in documents and avoid executing untrusted files.

3. Adopt a proactive approach to cybersecurity by staying informed and vigilant.

Final Thoughts

The ransomware attack I experienced was a wake-up call. Cybersecurity is not optional—it’s a necessity. By implementing the solutions outlined here, you can significantly reduce the risks of ransomware and other malware attacks.