Unstructured Supplementary Service Data (USSD) codes are strings of characters primarily used by developers and technicians to troubleshoot smartphones. You can use these codes to learn more about ...

Coders have a storied tradition of creating back doors in programs (or sometimes just fun little Easter eggs) that can only be accessed with a special "key." This has happened for almost as long as ...

Hang up and use a secret code to combat AI smartphone attacks, FBI says. Update, March 22, 2025: This story, originally published March 20, has been updated with details of a new law enforcement from ...

QR or Quick Response codes are one of the most popular ways to access information on the go. Invented in 1994 and once considered the wave of the future, part of the QR code revival that started in ...

A seemingly small update with iOS 17 that turns out to be very useful is the ability to have your iPhone clean up 2FA text messages on its own. Here’s how to auto delete iPhone verification codes with ...