Starting next month, Twitter says only paid Twitter Blue subscribers will be able to use text messages as a two-factor authentication method. Free users with the setting already enabled have until ...

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 ...

The main purpose of message authentication is to prevent manipulation of the message which is sent. MAC stands for Message Authentication Code which is also known as “Integrity check value” or ...

Twitter said on Friday it will allow only paid subscribers to use text messages as a two-factor authentication method to secure their accounts. After March 20, “only Twitter Blue subscribers will be ...