Defense Security Service

The Defense Security Service (DSS) is a U.S. government agency responsible for safeguarding national security by overseeing the security of sensitive defense information and facilities. It works with defense contractors and organizations to ensure that classified information relating to national defense is protected from espionage, theft, or unauthorized access. DSS conducts background checks, security clearances, and inspections to maintain integrity and security within the Defense Department and its contractors. Its goal is to prevent security breaches that could compromise military operations or national interests.