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No more #SMS : Twitter rolled out #2FA using third party applications

North Korean hackers might want to steal your Twitter account.

If you’re active on Twitter, time to update your security settings.

Using two factor authentication (2FA) is a must these days, as hackers can attempt to crack your weak password, using a massive database of leaked login credentials.

Until now, Twitter required the use of SMS messages as the 2FA method, but now this is changing.

You can now use a third party application, such as Google Authenticator, Authy, or Microsoft Authenticator that use the same Time-based One-time Password Algorithm (TOTP) method.

But why avoid using SMS as a 2FA method?

There are two main reasons to convert to third party authentication apps:

  • The underlying cellphone protocol (SS7) is far from bulletproof.
  • Cellphone companies can be social-engineered to alter the SIM card number associated with your phone, and hand it over to a hacker (SIM card attack.)

For more information on the Twitter security announcement, click here.

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