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Signal

 |  Security  | Oct 03, 2025
Signal 'fills in the gaps' for quantum-secure messaging
Signal 'fills in the gaps' for quantum-secure messaging

Update to Signal Protocol should protect past and future messages from any quantum-computer-wielding hacker.

Security  | Sep 21, 2023
Signal aims to stop a quantum computer sliding into your DMs
Signal post-quantum security

"We are augmenting our existing cryptosystems such that an attacker must break both systems..."

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