![]() ![]() ![]() The uptake of two-factor authentication on Twitter is quite low as of December 2021, only 2.6% of active accounts used 2FA, and, of these, 74.4% used SMS-based 2FA, 28.9% used an authenticator app, and, only 0.5% used a security key. It’s also possible to use a security key, a sort of dongle that works as a physical key generator. These codes can can be sent by email or SMS, or can be generated by authenticator apps. ![]() Two-factor authentication, or 2FA, protects your account by requiring that, to log into a website or service, you must enter something you know, your user name and password, and something you have, such as a one-time code. Here’s how to do this on Mac, iPhone, or iPad. ![]() If you have SMS-based 2FA on Twitter, you should change this to use an authenticator app, and there’s one built into macOS, iOS, and iPadOS. But Twitter’s decision to turn off SMS-based 2FA is dangerous, and their choice to allow it to be used for a price is misguided. SMS-based 2FA is not very secure – SMSes can be intercepted, and SIM cloning can allow people to pretend they have your phone – and the other methods available are much more robust. This change will take place on March 20, 2023, and, if you are using SMS-based two-factor authentication (2FA) at that time, Twitter will turn it off, rendering your account less secure. This $8 a month service offers a blue checkmark (though not actual verification), the ability to edit tweets, and more. Twitter recently announced that they will stop allowing the use of SMS-based two-factor authentication for their service, except for Twitter Blue subscribers. How To How to set up Two-Factor Authentication on Twitter ![]()
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