The Diplomatic Security Service (DSS) protects information and information technology crucial to the State Department’s role in maintaining a diplomatic presence and conducting foreign policy around the world.
Cybersecurity
DSS safeguards the State Department’s information and information technology (IT) assets at more than 270 locations around the world. This includes protecting a global cyber infrastructure comprising of networks and mobile devices.

Diplomatic Couriers
Diplomatic couriers travel worldwide to ensure the safe and secure transfer of diplomatic pouches containing classified and sensitive materials.

Security Clearances
DSS conducts personnel security background investigations for the State Department and other federal agencies.