H.R. McMaster accused Washington of being "extraordinarily negligent" on counterintelligence while China and Russia exploited ...

South Korea dissolved its military counterintelligence command after 49 years and divided its duties among three ...

The Defense Counterintelligence Headquarters, the Defense Security Support Group, and the Security Investigation Unit within ...

Add Yahoo as a preferred source to see more of our stories on Google. Army counterintelligence officials are waiting for new authorities that allow agents to search and make arrests off post for ...

The former head of counterintelligence for the FBI’s New York field office pleaded guilty Friday in Washington, DC, in connection to a scheme to conceal hundreds of thousands of dollars he received ...

Five Eyes governments warn that foreign intelligence services are using fake recruiters, professional networks and paid ...

South Korea’s Army has begun work to overhaul its counterintelligence system to respond to increasingly sophisticated ...

The defense ministry on Monday launched a new counterintelligence unit tasked with countering espionage and terror threats ...

NEW YORK — A former top FBI counterintelligence official was ordered Thursday to spend over four years in prison for violating sanctions on Russia by going to work for a Russian oligarch seeking dirt ...

How can anyone be so careless with the nation’s security? That is the question everyone is asking after reports surfaced last week that President Trump’s national security leaders discussed imminent ...

The Taliban’s penetration of the former Afghan government played a key role in the lightning collapse of the former regime (“Covert Taliban Agents Hastened the Takeover,” Page One, Nov. 29). Our ...

Counterintelligence is a primary strategy and mission objective in the recently released National Intelligence Strategy and has been a top national-security priority for decades. Bill Gertz’s “An ...