SAN FRANCISCO — The U.S. National Security Agency is rebuffing efforts by a leading Congressional critic to determine whether it is continuing to place so-called back doors into commercial technology products, in a controversial practice that critics say damages both …
Twitter Inc will not be able to reveal surveillance requests it received from the U.S. government after a federal judge accepted government arguments that this was likely to harm national security after a near six-year long legal battle. The social …
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 …