With a SIM-swapping attack, scammers hijack your phone number to gain access to apps on your phone—including banking apps.

In an age of constant communication, receiving phone calls or messages from unknown numbers has become increasingly common. Whether it's a missed call from an unfamiliar number, a potential scam or a ...

1. Battery drains more quickly than usual. Any spyware installed on your phone is constantly running to snoop on your activity and send the data to the hacker. This means that your battery is going to ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Update, Jan. 25, 2025: This story, originally published Jan.