NSA News

The top U.S. counterintelligence official says secret government data is vulnerable to thieves, such as the National Security Agency insider accused of working undetected for 20 years to steal a large trove of classified material, even as he defends the …

Senior national security lawyers on Monday told an independent oversight board examining U.S. surveillance programs that the government needs to keep its trove of innocent Americans’ telephone records despite growing efforts in Congress to shut down the program. The lawyers …