As a part of this modification, Twitter will even flip off 2FA in your account fully for those who don’t swap away from SMS verification or pay for Blue earlier than that deadline, leaving your account weak to hacking. Thankfully, you possibly can nonetheless allow 2FA totally free utilizing an authenticator app, like Google Authenticator or Authy. You can too use a safety key, however this requires the acquisition of an precise piece of {hardware}.
Twitter’s making SMS 2FA a paid characteristic as a result of it’s the least safe type of authentication. This will appear counterintuitive, but it surely ought to a minimum of steer non-subscribers away from the tactic, because it’s identified to depart customers vulnerable to an assault often called SIM swapping.
This could happen when a nasty actor makes use of social engineering or another form of tactic to persuade your cell provider to reassign your cellphone quantity to their gadget. They will then intercept the textual content messages you obtain, together with these SMS 2FA codes, probably permitting them to realize entry to your accounts.