U.S. National Security Advisor Mike Waltz checks his mobile phone while attending a cabinet meeting held by U.S. President ...

A hacker who breached communications used by ex-Trump adviser Mike Waltz accessed messages from more US officials than ...

Expert says metadata intercepted by hacker could pose counterintelligence risk ...

Nearly five months after the deadly Eaton fire swept through Altadena, officials have yet to explain the reasons for ...

Air traffic controllers across the country have grappled with radar and communications outages for years, CNN review finds.

The company and its owner have entered into a civil settlement agreement with the U.S. for violating the False Claims Act ...