On this show we discuss the big players in secure messengers. Not to spoil the fun, but we both highly recommend Signal.

• Threat Model discussion
• What is our “definition of secure messenger”
• WhatsApp
  • Group and individual messages are encrypted
  • Uses the Signal Protocol
  • Can see metadata
  • Meta harvests the data as much as possible
• Facebook Messenger
  • Only in secret mode
  • Secret mode is one device only
  • Developed the same way as WhatsApp
• Threema
  • Audited, recently had an issue
  • Paid
  • Uses usernames, not phone numbers
• iMessage
  • Really good if you have Advanced data protection and/or icloud disabled
  • iCloud data security overview
  • Advanced Data Protection for iCloud
• RCS
  • Google is the majority partner
  • SMS fallback mode
  • How it works
• Signal
• Telegram is BAD

email the show: hosts (at) shortexplanations (dot) com