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:Users are unable to login to Twitter as SMS 2FA glitchesNon-Twitter Blue subscribers have one month left to…Outlook for iOS and Android will soon work as…Losing SMS authentication on Twitter? Here's how to…Twitter now lets you use security keys as the only…