In 1987, the United States appointed FBI agent Robert Hanssen to investigate and report on a potential mole within the ...

The counterintelligence mission needs to be assigned to a new agency outside the FBI. The threat is too great and the FBI's record too weak.

Sergei Shestakov, a former Russian diplomat who became a naturalized US citizen, is set to go on trial for work he did – ...

A man who graduated valedictorian at Indian Hill High School is headed to prison for leaking top secret documents.

Booz Allen Hamilton (NYSE: BAH) announced today that its Colorado Springs office has won the James S. Cogswell Award, the most prestigious recognition from the Defense Counterintelligence and Security ...

The Defense Counterintelligence and Security Agency sought a managed service provider amid ongoing efforts to enroll all ...

The document indicates that the Russian domestic security agency, known as the F.S.B., pulls purloined data into an ...

Secret Russian Intelligence Document: Russia’s domestic security agency says that China is spying on the Russian military’s ...

Asif William Rahman, a former CIA analyst, was sentenced to 37 months in prison for unlawfully transmitting and retaining top secret U.S. national defense information.

Two European journalists received threat notifications in April directly from Apple, notifying them they were targeted "by a ...