As a part of this modification, Twitter may even flip off 2FA to your account fully in the event you don’t change away from SMS verification or pay for Blue earlier than that deadline, leaving your account susceptible to hacking. Thankfully, you possibly can nonetheless allow 2FA without cost utilizing an authenticator app, like Google Authenticator or Authy. You may also use a safety key, however this requires the acquisition of an precise piece of {hardware}.
Twitter’s making SMS 2FA a paid function as a result of it’s the least safe type of authentication. This will appear counterintuitive, nevertheless it ought to at the very least steer non-subscribers away from the tactic, because it’s recognized to depart customers vulnerable to an assault referred to as SIM swapping.
This will happen when a nasty actor makes use of social engineering or another form of tactic to persuade your cellular service to reassign your telephone quantity to their system. They will then intercept the textual content messages you obtain, together with these SMS 2FA codes, probably permitting them to achieve entry to your accounts.