+Critical infrastructure encompasses the essential systems and assets vital for a society's functioning and a nation's security. These foundational elements, from [Power Grids](/wiki/power_grid) to [Transport](/wiki/transport) systems, ensure daily life and economic stability, requiring constant protection and [Cyber Security](/wiki/cyber_security).
+## See also
+- [National Security](/wiki/national_security)
+- [Public Safety](/wiki/public_safety)
+- [Disaster Recovery](/wiki/disaster_recovery)
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