Signal

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. ...

Episode 11: Why Signal Is the Answer Your browser does not support the audio element. Download MP3 Duration: ~8 minutes | Format: Practical Episode Summary Your text messages aren’t private. SMS travels in plaintext, iMessage only protects iPhone-to-iPhone (and not your iCloud backups), and WhatsApp encrypts content while Meta harvests your metadata. This episode maps the messaging landscape honestly and explains why Signal stands alone. This episode covers: ...

🎯 Goal Learn how to communicate securely using end-to-end encrypted messaging, GPG-encrypted email, and metadata minimization. Explore Signal, Matrix, OTR, and email tools. Understand operational privacy trade-offs. 🌱 New to this? If the command line feels like a lot, Privacy 101 walks through secure messaging with Signal in a graphical, beginner-friendly way first: Privacy 101 Week 6: Secure Messaging → 1. Secure Messaging Protocols Overview Protocol E2EE Decentralized Metadata Safe CLI Available Signal ✅ ❌ (centralized) ❌ (requires phone number) ✅ (via signal-cli) Matrix (Olm) ✅ ✅ ⚠️ (servers can log) ✅ (nheko, gomuks, etc) XMPP + OTR ✅ ✅ ✅ (self-hosted possible) ✅ (profanity, mcabber) Tox ✅ ✅ (P2P) ✅ ✅ (toxic) 2. Signal CLI Setup Install signal-cli For Debian-based distros: ...