# Google DeepMind melds humans and AI agents to vet Signal's secure messaging techniques

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2 outlets covering · First listed: The Register, Nov 10, 2026, 6:00 AM · Read it: <https://www.theregister.com/ai-and-ml/2026/11/10/google-deepmind-melds-humans-and-ai-agents-to-vet-signals-secure-messaging-techniques/5308625>

Post-quantum handshake and Triple Ratchet get a formal security check

## Who's covering it

In the order they published:

- Nov 9, 2026, 11:01 PM: [A New AI Tool From Google DeepMind Proved the Signal Protocol Is Secure](<https://www.wired.com/story/a-new-ai-tool-from-google-deepmind-formally-verified-the-signal-protocol/>) — Wired (Magazine, United States)
  DeepMind researchers were able to formally verify that the widely used encryption protocol works as intended. Their stretch goal? Do the same for “all the software of the world.”
- Nov 10, 2026, 6:00 AM: [Google DeepMind melds humans and AI agents to vet Signal's secure messaging techniques](<https://www.theregister.com/ai-and-ml/2026/11/10/google-deepmind-melds-humans-and-ai-agents-to-vet-signals-secure-messaging-techniques/5308625>) — The Register (Digital news, United Kingdom)
  Post-quantum handshake and Triple Ratchet get a formal security check