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39 New Methods That Compromise Passkey Authentication
September 4, 2026 · BleepingComputer · Severity: MEDIUM
Passkeys eliminate many password-based attacks, but researchers have documented 39 methods for compromising authentication built around them. Token explains how attackers can abuse authentication prompts, synced credentials, enrollment, recovery, and other trust boundaries without breaking FIDO2 cryptography.
Key Takeaways
- Security researchers identified 39 new methods that can compromise passkey authentication systems.
- The findings challenge the assumption that passkeys are inherently more secure than traditional passwords.
- Organizations adopting passkey technology should implement additional verification layers to mitigate these risks.