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.

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 ...

Similar to other messaging apps, Telegram uses your mobile number to create your account. If you have a new number and want to update it, you can easily change it in the Telegram app. It is free and ...