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

If you don't re-enroll your physical security key by the deadline, you'll be locked out of your account. Here's what to do.

X has confirmed the retirement of the twitter.com domain, beginning with a mandatory re-enrolment of hardware security keys by November 10 to keep using protected accounts without lockout.