Claim: Pressing a sequence of keys on your cell phone will produce a serial number that can be used to disable it in case of theft. Mobile Phone security - worth doing. Here is something worth ...

Do Cell Phones Have These Five Lesser-Known Features? A list purports that various phone numbers and code sequences purports that hidden features and services are a few clicks away.

This is all the more reason to proactively protect your phone number from SIM swapping, a type of cyberattack that involves a hacker hijacking a victim’s phone number.

All they need is your cell phone number. Every time a business asks for a phone number, many of us give it to them. Cell phones will soon outnumber landlines in the U.S.