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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.


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Protecting People & Property

Terrorists and international criminals may target State Department personnel and facilities in the United States and abroad.

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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.

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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.

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U.S. Department of State

The Lessons of 1989: Freedom and Our Future