HTTP vs HTTPS vs SSL vs TLS — How Secure Web Actually Works
What are HTTP, HTTPS, SSL, and TLS — and how do they actually work?
In this video, you’ll learn the fundamentals of web security step by step in a clear and simple way. Every time you visit a website, your browser communicates with a server — but how is your data actually protected?
We’ll build your understanding from the ground up:
◼️ First, you’ll learn what HTTP is and why it’s not secure.
◼️ Then, we’ll move on to HTTPS and see how it protects your data.
◼️ After that, we’ll explain the difference between SSL and TLS.
◼️ Next, we’ll break down the TLS handshake step by step.
◼️ Finally, you’ll understand how the Diffie-Hellman algorithm allows secure key exchange.
⏱️ Timestamps
0:00 - Introduction
0:17 - What is HTTP?
1:16 - What is HTTPS?
2:14 - SSL vs TLS Explained
2:57 - TLS Handshake Explained
4:19 - Diffie-Hellman Algorithm
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By the end of this video, you’ll have a clear understanding of how secure communication on the internet actually works — without unnecessary complexity.
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