Remember that time a celebrity’s Twitter got hacked? It might have involved something called “SIM hijacking,” a sneaky trick that can steal your phone number and wreak havoc on your online accounts. Here’s the 411 on SIM hijacking and how to protect yourself: By staying informed and taking action, you can keep your phone number […]

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 […]

Given that it’s possible to use SIM swap scams to get around traditional two-factor authentication, which typically relies on one-time passcodes sent over SMS, downloading an authenticator app can provide some additional security for select accounts. Google and Microsoft have apps that are widely used.

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.