Enabling multifactor authentication is a good step toward better cybersecurity. However, if a determined hacker gains access to the account number associated with your phone number’s mobile carrier and they can guess the PIN you set up when you opened the account, these bad actors may be able to execute a SIM swap and circumvent […]

Twitter CEO Jack Dorsey had his account hijacked when someone successfully transferred his phone number to a different SIM. To prevent this type of situation, it might be useful to set a SIM PIN that protects access to your phone number. Contact your phone carrier to learn how to set this up.

If you use two-factor authentication, it’s best to rely on codes sent to other devices or applications such as Duo or Google Authenticator instead of SMS texts. That’s because SIM hacking is on the rise. This practice entails a cyberattacker tricking a customer service representative into reassigning a phone number to a new SIM card.