Twitter Limits SMS-Based 2-Factor Authentication to Blue Subscribers Only

Feb 18, 2023Ravie LakshmananAuthentication / Online Security Twitter has announced that it’s limiting the use of SMS-based two-factor authentication (2FA) to its Blue subscribers. “While historically a popular form of 2FA, unfortunately we have seen phone-number based 2FA be used – and abused – by bad actors,” the company said. “We will no longer allow…