The Department of Homeland Security (DHS) is disputing reports that acting Cybersecurity and Infrastructure Security Agency (CISA) Director Madhu Gottumukkala failed a polygraph after seeking access ...

When President Ronald Reagan’s White House threatened thousands of government officials with polygraph exams, supposedly to protect classified data (but probably also to control press leaks), his ...

Add Yahoo as a preferred source to see more of our stories on Google. Defense Secretary Pete Hegseth demanded proof that Adm. Christopher Grady, the then-acting Chairman of the Joint Chiefs of Staff, ...

When Army engineer David Tenenbaum lost his security clearance after a polygraph, he accused the Defense Department polygrapher, along with others, of targeting him because he's an Orthodox Jew. MCT ...

Research is identifying alternative methods to the polygraph, but some doubt whether true lie detection is possible.