PSA: Reregister your hardware 2FA key for X before November 10 to avoid getting locked out | TechCrunch

Important Update for X Users

X is retiring the Twitter domain for 2FA authentication to ensure domain trust, according to Christopher Stanley, a security engineer at X, xAI, and SpaceX.

Users who have enabled two-factor authentication using a hardware key like YubiKey must re-enroll their keys before November 10 to avoid getting locked out.

By November 10, we’re asking all accounts that use a security key as their two-factor authentication (2FA) method to re-enroll their key to continue accessing X.

The domain change will not impact other 2FA authenticators like Google Authenticator, Microsoft Authenticator, or Authy.

Author's summary: Re-enroll your 2FA key by November 10.

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TechCrunch TechCrunch — 2025-10-27

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