X is preparing to close permanently the “Twitter.com” chapter. This change is not just aesthetic or branding: It directly involves account security. In particular, those who use physical security keys or passkeys for two-factor authentication (2FA) will have to reset them by November 10, 2025otherwise access to your accounts will be temporarily blocked. The inactive or abandoned accounts they might even be solda move to tidy up the accounts linked to the old domain.
The reason for the closure is technical: Security keys and passkeys are designed to protect users from phishing attempts and online scamslinking to the domain in which they were registered. A key configured on Twitter.com does not automatically recognize X.com. By resetting it, however, the user will be able to continue to access your account securelywhile X will be able to dispose of the old domain without risk.
What X users should do now
Users who already use physical keys or passkeys they received preventive notifications in the last few weeks. The X security team pointed out that the change It is not related to safety issues: concerns exclusively Yubikey and passkeywhile other two-factor authentication systems, such as authentication appremain unchanged.
Because our phone numbers will disappear from WhatsApp
In practice, the actual keys are tied to the domain twitter.com: to continue running on X.comthey must be register again. This process guarantees protection against phishing and online scam attemptssuch as deceptive links or URLs that imitate legitimate domains through special characters. Without resetting, the key it would no longer recognize the new domainmaking secure access impossible.
Migration from Twitter.com at X.com scores the latest transition from the original platform. The domain X.com was introduced over a year ago, while the logo little blue bird has been abandoned as early as 2023. With this operation, X aims to consolidate the new brand ea Strengthen account securitydefinitively closing the Twitter chapter and updating the protocols to protect users from potential online attacks.
