Do you receive login security codes for your online accounts via text message? These are the six- or seven-digit numbers sent via SMS that you need to enter along with your password when trying to ...

SMS text messages are a weak, dangerous way of providing two-factor authentication codes, as we discussed years ago in “Facebook Shows Why SMS Isn’t Ideal for Two-Factor Authentication” (19 February ...

Only users who pay a monthly fee for Twitter's subscription service will get to use text message authentication in order to keep their accounts secure, the social media company says. Two-factor ...

SMS two-factor authentication is no longer available on Twitter, unless you pay for Twitter Blue. Fortunately, if your an iPhone user, there's a better option anyway. With more than a decade of ...