Twitter said in its statement that it made the move after seeing “phone-number-based 2FA being exploited — and abused — by nefarious actors.” Other opponents, however, are sceptical of Twitter’s answer, suggesting that the company’s true objective is to include SMS 2FA as one of the services available with its subscription service. A Blue membership, which costs between $8 and $11 per month or $84 per year, puts a checkmark next to the user’s name.
