Social media platform X has issued a warning to users who have set up two-factor authentication (2FA) with hardware security keys, such as Yubikeys. The company is urging these users to re-enroll their security keys by November 10, 2025, to maintain access to their accounts.
In a statement, X emphasized that failure to complete the re-enrollment process by the deadline would result in account lockouts until users either re-enroll their security key, choose a different 2FA method, or opt out of 2FA altogether. However, the company strongly advises against forgoing 2FA as a security measure.
This initiative is part of X’s strategy to officially phase out the twitter.com domain. Since Elon Musk’s acquisition of Twitter in October 2022, the platform has been rebranded as X, beginning in July 2023.
X clarified that this change only affects users utilizing security keys for 2FA, as those keys are currently linked to the old twitter.com domain. By re-enrolling, users will associate their security keys with x.com, enabling the retirement of the Twitter domain.
Additionally, while X does provide 2FA options via text message, this method is restricted to non-Premium subscribers as of March 2023. For users looking to re-enroll their security keys, X has provided a simple guide outlining the steps needed to complete the process.
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