National security agencies in some cases use polygraph tests to determine the source of leaks to the news media.

National security agencies across ... noting that former CIA counterintelligence officer Aldrich Ames famously passed two polygraph tests while spying for the Soviet Union. Ames is serving a ...

The Department of Homeland Security is ... of internal and counterintelligence investigations," according to the agency's website. "The federal government uses the polygraph exam to understand ...

Defense Secretary Pete Hegseth’s wife tried to obtain security clearance, according to a report. Jennifer Rauchet, who was involved in her husband’s latest Signal leak scandal, submitted ...

President Trump last week revoked security clearances for Chris Krebs, the former director of the Cybersecurity and Infrastructure Security Agency (CISA) who was fired by Trump after declaring the ...

The issue of senior Canadian politicians getting security clearances returned to headlines after Conservative Leader Pierre Poilievre stood by his refusal to go through the necessary vetting to ...

During this time, everyone, including myself, military members and reserve members, had to have secret or Level 11 security clearance. It was reviewed regularly. How can Pierre Poilievre be ...

Judge John Bates told a Department of Justice attorney his interpretation of the security clearance provision was “strange” as the judge weighs whether to block the Trump administration from ...

Amidst intensifying leak investigations within the Trump administration, the FBI is employing polygraph tests, fostering ...

The proposal, which aims to enhance interagency vetting procedures and reduce the risk of classified information leaks, would establish a comprehensive security clearance system in Taiwan, he said.

The National Counterintelligence and Security Center (NCSC) warned that current and former workers are being targeted by Chinese intelligence officials posing as “consulting firms, corporate ...