Protection of critical infrastructure The US Federal Government will continue to work towards regulation of entities in sixteen critical infrastructure sectors as a matter of national security policy. A key driver of this regulation stems from the Cyber Incident Reporting for Critical Infrastructure Act of 2022 (CIRCIA), which was signed into law by President Biden in March 2022, and establishes two key reporting requirements for 'covered entities' in critical infrastructure sectors, as defined in Presidential Directive 21. CIRCIA requires reporting of 'covered cyber incidents' to the Cybersecurity & Infrastructure Security Agency (CISA) within 72 hours after a covered entity reasonably be