This supplement describes how partners throughout the critical infrastructure community can connect to the NICC and NCCIC. It describes the information desired by the centers and their partners, as well as how the centers protect and analyze data to inform prevention, protection, mitigation, response and recovery activities.

Presidential Policy Directive 21 (PPD-21) highlights the role of the national physical and cyber coordinating centers in enabling successful critical infrastructure security and resilience outcomes.

Presidential Policy Directive 41 (PPD-41) states that DHS, acting through the National Cybersecurity and Communications Integration Center (NCCIC), will serve as the lead Federal agency for (cybersecurity) asset response activities.

The National Infrastructure Coordinating Center (NICC) and the National Cybersecurity and Communications Integration Center (NCCIC) fulfill this Department of Homeland Security (DHS) responsibility within the critical infrastructure partnership.