Ukraine’s military counterintelligence, with the support of Commander-in-Chief of the Armed Forces of Ukraine Oleksandr ...

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 ...

Newly declassified documents show informant Stefan Halper was motivated in part by "monetary compensation" and was paid ...

As the Trump administration targets hundreds of thousands of federal employees, the intelligence community is trying to keep ...

In recent years, the U.S. government has taken a closer look at investments, mergers and acquisitions, and other business activity that may have ...

The notice is one of the first public acknowledgements from the U.S. intelligence community showing how adversaries are ...

IRS resignation: The acting head of the Internal Revenue Service is stepping down, according to three people familiar with ...

The Department of Homeland Security is using polygraph tests on staffers to snuff out internal information from leaking to ...

Democratic leaders on Friday decried the Trump administration’s abrupt firing of a top Pentagon intelligence and cyber ...

The director and No. 2 official at the National Security Agency were both ousted from their positions Thursday, according to ...

Congress approved a significant pay raise for active duty service members ranks E-1 through E-4, which is set to go into effect this month.

The Signalgate scandal is a problem because foreign spies target Signal and can access phone data using the otherwise ...