Defense Counterintelligence and Security Agency

Defense Counterintelligence and Security Agency

The Defense Counterintelligence and Security Agency (DCSA) is the largest invetigative service provider in the federal government, supporting over 100 federal entities. We protect America's trusted workforce, trusted workspaces, and classified information. To do so, we have two fundamental missions: personnel security and industrial security. Supporting these two core missions are counterintelligence and insider threat and security training.