If the "your phone is not registered on a network" error has popped up on your Android phone, you know how frustrating it can be. Whether you want to call your family ...

Modern cellular networks are built to serve millions upon millions of users, all while maintaining strict encryption across all communications. But earlier cellular networks were by no means so ...

AT&T has said that a massive outage that left people unable to make calls – including to 911 – was not caused by a cyber attack. The provider said thew outage was caused by “the application and ...

Add Yahoo as a preferred source to see more of our stories on Google. The U.S. says Chinese hackers have penetrated America's phone networks – and are still inside them. Anton Petrus/Moment via Getty ...

Samuel has spent years writing about mobile carriers and their networks following a stint working as a technician in a carrier phone store. Whether it's helping people avoid 36-month payment plans, or ...

A US government security official urged Americans to use encrypted messaging as major telecom companies struggle to evict Chinese hackers from their networks. The attack has been attributed to a ...

Is the PSTN Still in Use? Yes, but There Are Better Options Your email has been sent Explore the ongoing use of the Public Switched Telephone Network (PSTN) and ...