How does NIMS define "critical infrastructure"?

NIMS defines "critical infrastructure" as systems and assets that are essential to the security, economy, public health, and safety of a nation. This definition encompasses a wide range of sectors, including energy, transportation, water, communications, and emergency services, reflecting their collective importance to societal function and resilience. Identifying and protecting these infrastructures is vital to ensuring that a community can respond effectively to incidents and maintain stability in the face of threats or disasters.

Other options do not adequately represent the comprehensive nature of critical infrastructure as outlined by NIMS. For instance, focusing solely on financial assets neglects the broader implications of critical infrastructure on public well-being and national security. Identifying networks merely as essential for economic growth also overlooks their role in public health and safety. Furthermore, defining critical infrastructure as buildings that house government officials represents only a fraction of what constitutes critical infrastructure, as it fails to recognize the essential services and systems that support the entire community.