Circles exploits mobile phone vulnerabilities via a hard-to-detect bit of surveillance, according to Citizen Lab.

Reddit, one of the world’s most popular websites and the self-proclaimed “front page of the internet,” was hacked, exposing some user data, internal logs, source code, and…

As with the flaw-ridden protocol underlying 3G, the 4G protocol is susceptible to attacks that disclose mobile users’ information or impose a denial or service, according to…

The Department of Homeland Security has received reports that “nefarious actors” may be exploiting cellular communication vulnerabilities to spy on Americans, according to Chris Krebs, a senior…

Democratic Senator Ron Wyden has asked the Federal Communications Commission to investigate revelations that U.S. law enforcement officials have access to a tracking service that can geolocate…

Oregon Senator Ron Wyden is demanding to know how America's largest telecommunications companies plan to stop hackers from exploiting vulnerabilities in an outdated mobile-data transfer framework that…

The Department of Homeland Security lacks the authorities it needs over mobile telephone networks to properly do its job of securing federal IT systems against hackers, according…