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X Users Locked Out After Mandatory Security Key Re-enrollment

X Users Locked Out After Mandatory Security Key Re-enrollment

First seen 2 Dec 2025, 18:33 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

Users of X (formerly Twitter) are experiencing account lockouts due to a mandatory re-enrollment of security keys, which was announced on October 24. The requirement, set to take effect by November 10, has led to speculation about a potential security breach, although X claims it is not related to any security issue. Users relying on passkeys or hardware security keys are affected, while those using authenticator apps remain unaffected.

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