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X Prompts Users to Update Security Info Ahead of ‘Twitter.com’ Retirement

10/27/25
Source: Social Media Today – Latest News by Andrew Hutchinson. Read the original article

TL;DR Summary of Important Security Key Re-Enrollment Alert for X Users

X (formerly Twitter) is requiring all users who use security keys for 2FA to re-enroll their keys by November 10th to avoid being locked out. This update only affects security key users, not those using other two-factor authentication methods. The re-enrollment is necessary because X is retiring the old twitter.com domain and associating keys with x.com. Users will be automatically prompted, but it’s best to check your settings and re-enroll early to maintain account access.

Optimixed’s Overview: Ensuring Continued Access to X with Security Key Re-Enrollment

What’s Changing for Security Key Users on X?

X has announced a critical update for users who rely on security keys (such as Yubikeys) as their two-factor authentication (2FA) method. To maintain access, these users must re-enroll their security keys by November 10th. Failure to do so will result in account lockout until the user either completes re-enrollment, switches to another 2FA method, or opts out of 2FA (not recommended).

Why This Update Matters

  • Domain Migration: X is retiring the “twitter.com” domain and moving to “x.com,” necessitating the re-linking of security keys to the new domain.
  • Impact Scope: Only users with security keys for 2FA are affected; those using other 2FA methods remain unaffected.
  • Previous Changes: Earlier removal of SMS authentication for non-Premium users has led some to adopt security keys, making this update particularly relevant.

What Users Should Do Now

Although X will prompt users to re-enroll security keys automatically, it is advisable to proactively check your account’s security settings. You can:

  • Re-enroll your existing security key to associate it with the new domain.
  • Enroll a new security key if preferred.
  • Consider alternative 2FA methods if you do not wish to continue with security keys.

Taking these steps ensures uninterrupted access to your account and protects your valuable @handles from being inaccessible due to authentication issues.

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