A researcher at the Def Con security conference in Las Vegas demonstrated that he could impersonate a GSM cell tower and intercept mobile phone calls using only $1500 worth of equipment. The ...

Computer security researchers say that the GSM phones used by the majority of the world’s mobile-phone users can be listened in on with just a few thousand dollars worth of hardware and some free open ...

Kent was a senior managing editor at CNET News. A veteran of CNET since 2003, he reviewed the first iPhone and worked in both the London and San Francisco offices. When not working, he's planning his ...

Flaws in a widely used wireless technology could allow hackers to gain remote control of phones and instruct them to send text messages or make calls, according to an expert on mobile phone security.

if you're tempted to buy a 2G phone on Amazon, or bring one home to use on AT&T or T-Mobile GSM networks—don't. They won't work, even if the carriers say they will. Here's why. I'm that 5G guy. I've ...

MetroPCS unveiled its Bring Your Own Phone program, which lets you use your unlocked GSM phone. I’m PCMag’s executive editor of reviews, steering our coverage to make sure we're testing the products ...

The overall certification process may seem very long and involved, but it does provide a high level of uniformity across the industry. The expectations for quality of service provided by mobile-phone ...

Forbes contributors publish independent expert analyses and insights. I have been writing about mobiles and technology for 40 years. Mobile technology grew far faster than anyone predicted. In 1992 I ...

I'm considering getting an S23 or S24 from Swappa, and I want it to be unlocked. There are many available that were originally from a carrier like Mint Mobile, but they are now unlocked. After a phone ...

Wondering what GSM Unlocked means? This short article will make it clear for you so read on. What does GSM unlocked mean? GSM stands for Global System for Mobile communications. It is one of the two ...

A researcher at the Def Con security conference in Las Vegas demonstrated that he could impersonate a GSM cell tower and intercept mobile phone calls using only $1500 worth of equipment. The ...