Office of Cybersecurity and Communications

The DHS Office of Cybersecurity and Communications (CS&C) has the mission of assuring the security, resiliency, and reliability of the nation's cyber and communications infrastructure in collaboration with the public and private sectors, including international partners.

Specifically, CS&C is focused on preparing for and responding to catastrophic incidents that could degrade or overwhelm the networks, systems, and assets that operate our nation's information technology (IT) and communications infrastructure.