Week 6: Secure Messaging

Secure Messaging Your text messages are not private. SMS travels through your carrier unencrypted. They can read every message, store them indefinitely, and hand them to law enforcement without a warrant. WhatsApp claims “end-to-end encryption” but shares metadata with Facebook—who you talk to, when, how often, your location. iMessage is better, but only between Apple devices, and iCloud backups often store your messages unencrypted on Apple’s servers. Real privacy requires end-to-end encryption with open-source, audited software. ...