Critical Infrastructure Protection: An Implementation Strategy Could. Advance Dhss Coordination of Resilience Efforts Across Ports and Other INFRASTRU DHS defines resilience as the ability to resist, absorb, recover from, or adapt to to effectively lead DHS's cyber engagement efforts for critical infra- The subcommittee believes both the CSA and PSA Programs can for critical infrastructure protection and resilience activities in 16 critical infrastruc- all responsibility for coordinating implementation of the NIPP across the 16 CI sec-. K