The scheme unlocked 2 million iPhones for use outside AT&T's network, federal prosecutors say. At least one employee allegedly received more than $400,000 for participating.

The telecommunications giant looks to add AlienVault’s services and talent to its growing cybersecurity suite.

The bid protest has ended and AT&T has officially been awarded an IT contract with the National Security Agency.

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to know how America's largest telecommunications companies plan to stop hackers from exploiting vulnerabilities in an outdated mobile-data transfer framework that…

DHS wants cyber companies to give their threat intelligence away as widely as possible. Surprisingly, many cybersecurity companies seem to agree.