Russia has intensified cyber operations against Ukraine and NATO countries, according to previous U.S. intelligence and ...

The Defense Department initially told employees to "pause any response" to OPM's request for a list of their work ...

Multiple U.S. officials tell CBS News that Defense Secretary Pete Hegseth has issued a directive to U.S. Cyber Command to ...

The five men asked the House and the Senate to hold hearings “to assess the national security implications of Mr. Trump’s ...

Jim Mattis and four other former defense secretaries called President Donald Trump’s ouster of Gen. CQ Brown and other top ...

Five former secretaries of defense are calling on Congress to hold immediate hearings on President Donald Trump’s recent ...

Five former U.S. defense secretaries on Thursday condemned President Donald Trump's "reckless" firing of the chairman of the ...

Mr. Hegseth served at the U.S. Navy base as a National Guard lieutenant. The base is now being used to hold some migrants who ...

The new Pentagon chief got a look at Guantánamo Bay’s most infamous inmate in his recent visit to the wartime prison.

It appears that the U.S. no longer considers Russia a significant cyber threat, according to multiple new reports on a ...

President Donald Trump's Tuesday address to a joint session of Congress headlines another busy week at the Capitol.

The Philippines' top diplomat to the United States expressed confidence Monday that President Donald Trump’s new ...