SecurityThe Registerabout 8 hours ago
Signal launches Automatic Key Verification security feature
5 min read
Signal introduced Automatic Key Verification (AKV) to prevent man-in-the-middle attacks. The feature uses an open-source key transparency server with a ledger and index, audited by Cloudflare and Trail of Bits. Users tap "Verify automatically" to confirm a contact's encryption key matches expectations.
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