Encrypting data between you and websites Day 149 of 149 👉 Full deep-dive with code examples The Sealed Envelope Analogy Sending a postcard: Everyone can read it (mail carriers, neighbors) No privacy! Sending a sealed, locked box: Only the recipient has the key Contents are private SSL/TLS is the sealed box for your internet data! It encrypts the data sent over the connection between your browser (client) and a website (server), protecting it while it travels across the network. Why It Matters Without SSL/TLS: Passwords can be sent in plain text Credit card numbers can be exposed Someone who can observe the network may be able to read or change what you send On public WiFi, attackers can potentially intercept traffic With SSL/TLS: Data sent over the connection is encrypted (and integrity-protected) It helps prevent eavesdropping and tampering while data is in transit Reduces risk on public WiFi (but it doesn’t stop a compromised device or server) How You Know It's Working Look for: https:// (not http://)…