[carboncopy]

The Secretary of State has a full-featured security detail [1]. While on foreign missions, this includes a motorcade with armored vehicles (flown in by DSS beforehand), surveillance teams, and security augmentees from U.S. Embassies nearby [2].

[1] https://en.wikipedia.org/wiki/Diplomatic_Security_Service

[2] Personal experience (sorry)

[neurotech1]

Not disagreeing about DSS. The part I'm not sure of is if DSS follows the secretary 24/7 at home. It would be questionable if they would detail someone to follow the secretary 24/7 just to support a TS/SCI blackberry.