If you have Twitter's SMS-based two-factor authentication (2FA) method turned on, but you haven't paid for Twitter Blue, you've probably been getting nagging messages from Twitter about it going away.

Starting today, Twitter is disabling SMS-based two-factor authentication (2FA) for all but paying users following a decision that, not unlike other recent moves by the social media giant, has been met ...

Two-factor authentication is a security option you should be using wherever you can. It is an extra layer of protection that requires you to enter a code after you ...