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 ...

Twitter is restricting the use of text messages for two-factor authentication to paying Twitter Blue subscribers, the company announced on Friday. It believed that text-based two-factor authentication ...

Twitter has ended free two-factor authentication via text message, a crucial tool for users to keep themselves safe from hackers. But there’s an alternative that offers even better security and ...

Text message two-factor authentication sounds like a security upgrade. It feels official. It looks responsible. Yet it often stands as the flimsiest barrier between a criminal and everything stored in ...

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 ...

Elon Musk recently announced Twitter will be limiting text message authentication to subscribers of its new Twitter Blue plan. After March 20, those who don’t subscribe to Twitter Blue and do want the ...

Microblogging site Twitter has asked users who are not subscribed to its subscription service Twitter Blue to remove text message-enabled two-factor authentication from their profiles by March 19, ...

Validity’s Guy Hanson explains how AI, DMARC, inbox placement and engagement-based filtering are changing B2B email ...

E-mail filters have become effective at preserving our in-boxes, creating the illusion that spam has been tamed. But the bulk of spam is growing. MessageLabs said about 70 percent of all e-mail ...

I set up DNS records to prevent important emails from being flagged as spam - here's how ...