The sim card that exists inside your phone is what connects your phone to your specific cellular network. For most of us we might not even realize it’s there. When we get a new phone from our carrier, ...

These two ways of connecting your phone to a cellular network are very different. We tell you about each and how you can switch from one to another.

A team of security researchers has detailed a second SMS-based attack that can allow malicious actors to track users' devices by abusing little-known apps that are running on SIM cards. This new ...

The digital version of the SIM card, included on many newer phones, is set to become prevalent. It also offers affordable cellular data abroad. By Brian X. Chen Brian X. Chen is The Times’s lead ...

In the US alone, over $55m has been stolen through SIM swapping attacks since 2018. NEM, a blockchain-based ecosystem, believes that decentralized apps could provide a meaningful solution to this ...