Defense Counterintelligence And Security Agency

The Defense Counterintelligence and Security Agency (DCSA) is a federal agency under the U.S. Department of Defense responsible for safeguarding national security by overseeing personnel security clearances, conducting background investigations, and managing industrial security programs. It generates revenue through government funding to support its critical mission of protecting classified information and mitigating insider threats. Established in 1972 as the Defense Investigative Service, it underwent several transformations, including its 2019 merger with the National Background Investigations Bureau, to strengthen its counterintelligence and security capabilities. Candidates should understand its pivotal role in national defense and its focus on innovation and collaboration in security operations.

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