Twitter's two-factor authentication moves behind paywall effective today

However, users can continue to access the security feature, using a hardware security key or a third-party authentication app

Security features for non-Blue subscribers’ accounts are in a bit of a spot, as Twitter places its two-factor authentication behind paywall, effective Monday.

Two-factor authentication (2FA) is a security measure to prevent an external threat from hacking a user’s account. Users have to confirm their identity with their password and a security key or a second mode of authentication, such as an SMS text message on the phone, to be able to access their account and prevent bad actors from breaking into the account.

On February 15, Twitter updated its social media blog, informing users to either subscribe to the