Klein, a former AT&T technician turned whistleblower, exposed mass surveillance by the U.S. government in 2006.

The Prime Minister is holding talks with EU and Nato leaders about a 'coalition of the willing' to help Ukraine ...

Former top U.S. cybersecurity official Rob Joyce told lawmakers on Wednesday that cuts to federal probationary employees will have a "devastating impact" ...

Trump, who for years has expressed his admiration for Putin and has recently parroted Russian talking points in his bid to broker a peace deal to end Russia’s invasion of neighboring Ukraine, ...

Former United States National Security Adviser, John Bolton, said on Friday that Russian President Vladimir Putin is ...

In November 1959, President Dwight Eisenhower spoke at the cornerstone ceremony of the new CIA headquarters in Langley ...

Elon Musk visited the National Security Agency on Wednesday, current and former U.S. officials said, meeting with leadership ...

former director of cybersecurity at the NSA, said in testimony Wednesday before the House Select Committee on the Chinese Communist Party. Joyce warned that even if certain positions are not ...

Rep. Don Bacon, Sen. Angus King and H.R. McMaster, who served as Mr. Trump's national security adviser during his first ...

In testimony before a House panel, they said the moves — which have largely affected the Cybersecurity and Infrastructure ...

President Donald Trump criticized his former national security advisor and said the U.S. government should spend less time ...

Former top U.S. cybersecurity official Rob Joyce told lawmakers on Wednesday that cuts to federal probationary employees will have a "devastating impact" on U.S. national security. Joyce ...