You might need to act soon to keep accessing your X account.
Elon Musk's website, formerly known as Twitter, quietly announced it was killing off the old Twitter.com domain. That means the company is requiring users who use a hardware security key or passkey to re-enroll, otherwise they will be locked out of their account.
X's safety account posted a statement alerting folks to the change. It read:
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"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. You can re-enroll your existing security key, or enroll a new one. A reminder: if you enroll a new security key, any other security keys will stop working (unless also re-enrolled).
After November 10, if you haven’t re-enrolled a security key, your account will be locked until you: re-enroll; choose a different 2FA method; or elect not to use 2FA (but we always recommend you use 2FA to protect your account!)."
You can check the status of your 2FA on X by navigating to Settings & privacy > Security and account access > Security > Two-factor authentication. If your account is affected, however, X should prompt you to re-enroll. The change, X said, is being made so that everything can migrate away from Twitter's old domain.
"To clarify: this change is not related to any security concern, and only impacts Yubikeys and passkeys - not other 2FA methods (such as authenticator apps)," the safety account wrote. "Security keys enrolled as a 2FA method are currently tied to the twitter[.]com domain. Re-enrolling your security key will associate them with x[.]com, allowing us to retire the Twitter domain."
So Twitter really, truly is being killed off — and you might need to act to stay on X.
