Twitter begins two-factor authentication roll out May 22, 2013 by admin Tweet Twitter has announced it has started rolling out its new two-factor authentication option to help protect accounts for its users, which includes sending a SMS message to a phone to confirm logins. Read more… Neowin Related Posts:Losing SMS authentication on Twitter? Here's how to…Downloading an authentication app? Don't fall for…Users are unable to login to Twitter as SMS 2FA glitchesNon-Twitter Blue subscribers have one month left to…Outlook personal email accounts will need more than…