Tech 101
Learn the jargon and understand complex concepts in simple terms.
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What Is AES-256 Encryption? ("Military-Grade," Explained)
Every VPN brags about "military-grade AES-256." Here's what that actually is: a global encryption standard with a key so large that brute-forcing it is effectively impossible.
Himanshu Bhatt · 5 min read · Aug 9, 2026
What Is a DNS Leak? (And How to Check for One)
A DNS leak means your device's website look-ups slip outside the VPN tunnel, letting your ISP see the sites you visit even while "protected." Here's how it happens and how to test.
Himanshu Bhatt · 5 min read · Aug 9, 2026
Does a VPN Slow Down Your Internet? (Why, and How Much)
A VPN adds encryption and an extra hop, so some slowdown is normal — but with a nearby server and a modern protocol it's usually barely noticeable. Here's what actually affects the speed.
Himanshu Bhatt · 5 min read · Aug 9, 2026
What Is End-to-End Encryption (E2EE)?
End-to-end encryption means only you and the person you're talking to can read your messages — not even the app company can. Here's how it differs from ordinary encryption, and from a VPN.
Himanshu Bhatt · 5 min read · Aug 9, 2026
What Is an ISP (Internet Service Provider)?
Your ISP is the company that connects you to the internet — and, by default, can see which sites you visit. Here's what it knows and how a VPN limits that.
Himanshu Bhatt · 5 min read · Aug 9, 2026
What Is Split Tunneling? (When to Route Around Your VPN)
Split tunneling lets you choose which apps go through the VPN and which connect directly — so you can stream local content or reach home devices while keeping the rest encrypted.
Himanshu Bhatt · 5 min read · Aug 9, 2026
WireGuard vs. OpenVPN: Which VPN Protocol Is Better?
Every VPN review mentions "protocols." Here's the plain-English version: WireGuard is the fast, modern default; OpenVPN is the older, endlessly configurable veteran. When each one wins.
Himanshu Bhatt · 5 min read · Aug 9, 2026
What Is a VPN Kill Switch (and Why You Want One)?
A kill switch is a safety net: if your VPN connection drops, it instantly blocks your internet so your real IP and data can't leak. Here's how it works and when it matters.
Himanshu Bhatt · 5 min read · Aug 9, 2026
How Does an IP Address Work? A Plain-English Guide
Your IP address is the "return address" every device gets online. Here's what it reveals about you, how your ISP assigns it, and how a VPN hides it.
Himanshu Bhatt · 5 min read · Aug 9, 2026
What Is a "No-Logs" VPN Policy? (And How to Tell If It's Real)
"No-logs" is the #1 VPN marketing phrase — and the most abused. Here's what it should mean, the difference between activity and connection logs, and how audits prove it.
Himanshu Bhatt · 5 min read · Aug 9, 2026
VPN vs. Proxy: What's the Difference (and Which Do You Need)?
A proxy reroutes one app's traffic; a VPN encrypts everything on your device. Here's the real difference — and why a free proxy isn't a substitute for a VPN.
Himanshu Bhatt · 5 min read · Aug 9, 2026
What Does a VPN NOT Protect You From? 5 Big Misconceptions Explained
A VPN encrypts your connection and hides your IP address, but it won't stop phishing, malware, account tracking, or data you type into websites. Here's what a VPN actually protects — and where you need other tools.
Himanshu Bhatt · 5 min read · Aug 8, 2026
