For many years, mobile phones received cellular service through a physical SIM (subscriber identity module) card that connected your handset to your phone carrier. These physical SIM cards made it ...

Smartphones are susceptible to malware and carriers have enabled NSA snooping, but the prevailing wisdom has it there's still one part of your mobile phone that remains safe and un-hackable: your SIM ...

Just book your dream vacation overseas? The next step is to avoid costly roaming fees by getting an affordable international sim card for traveling. When traveling overseas, it’s critical to have a ...

MARLTON, New Jersey (WPVI) -- More and more criminals are taking over our cell phones and stealing our money, even bypassing two-factor authentication. The Action News Troubleshooters have some tips ...

Krystle Vermes is a Boston-based news reporter for Android Police. She is a graduate of the Suffolk University journalism program, and has more than a decade of experience as a writer and editor in ...

A researcher has discovered major flaws in some SIM cards that could pave the way for more targeted attacks against mobile device users. Famed encryption researcher Karsten Nohl of Security Research ...

Earlier this week, Karsten Nohl, a security researcher at SR Labs, revealed his discovery of a massive hole in SIM card encryption that could leave as many as 750 million of the 7 billion SIM-carded ...

Phones that take two SIM cards were a small trend at Mobile World Congress. Here's why that's a good thing. Kent was a senior managing editor at CNET News. A veteran of CNET since 2003, he reviewed ...

It's been a bit over two years since T-Mobile merged with Sprint. T-Mobile discontinued the Sprint brand four months later, in August 2020, but many legacy Sprint subscribers have still yet to swap ...

Major wireless carriers have fixed a bug that could have allowed criminals to hack into hundreds of millions of cell phones, says a security expert who exposed the flaw. Cryptographer Karsten Nohl of ...