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Reference.org
Defense Counterintelligence and Security Agency
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<p>The Defense Counterintelligence and Security Agency (DCSA) is a federal security and <a href="/facts/List_of_U.S._Department_of_Defense_agencies/fuNNYwxm">defense agency</a> of the <a href="/facts/United_States_Department_of_Defense/dWAvf7e3">United States Department of Defense</a> (DoD) that reports to the <a href="/facts/Under_Secretary_of_Defense_for_Intelligence/owgkgNEU">Under Secretary of Defense for Intelligence</a>. DCSA is the largest counterintelligence and security agency in the federal government and is responsible for providing personnel vetting, critical technology protection, <a href="/facts/Counterintelligence/MDAxLaSh">counterintelligence</a>, training, education and certification. DCSA services over 100 federal entities, oversees 10,000 cleared companies, and conducts approximately 2 million <a href="/facts/Background_investigation/EJ81nrWj">background investigations</a> each year. </p>