The Diplomatic Security Service (DSS) provides security for the people, property, and information crucial to the State Department’s role in maintaining a diplomatic presence and conducting of foreign policy around the world. DSS also assists foreign diplomatic missions in the United States on all security-related matters.
Protecting People & Property
Terrorists and international criminals may target State Department personnel and facilities in the United States and abroad.

Securing Information
DSS protects information and information technology critical to maintaining the Department State’s diplomatic presence and conduct of foreign policy around the world.

Countering Threats
DSS uses counterintelligence, training, information distribution, and rewards to deter, detect, and neutralize threats to the State Department and related U.S. interests.