Hasty Briefsbeta

Where are we on XChat security?

3 days ago
  • #Encryption
  • #X Chat
  • #Security
  • AWS outage caused Signal downtime, raising concerns about AWS dependency.
  • Elon Musk recommends X Chat, claiming it's secure with no AWS dependencies.
  • X Chat uses end-to-end encryption with keys stored via Juicebox protocol, sharded between backends (some HSM-backed).
  • Lack of verification for public keys and HSM commissioning ceremony raises security concerns.
  • X Chat's GetPublicKeysResult API could be manipulated to return fake keys, enabling message decryption by unauthorized parties.
  • Remote attestation is missing in X Chat, a critical security feature present in services like Signal.
  • Elon Musk's claims about X Chat's security are questioned, with accusations of being uninformed or dishonest.