NIST Special Publication 800-53 Rev. 5 is a foundational cybersecurity framework providing comprehensive security and privacy controls for information systems and organizations. Originally developed for U.S. federal agencies, it is now widely adopted across industries to guide protection against diverse threats. The framework emphasizes securing all layers of technology, including hardware, firmware, and the supply chain, recognizing their critical role in overall system integrity. It also supports other regulations by outlining detailed control requirements needed to achieve broader security objectives. By incorporating these controls, organizations can strengthen risk management, improve resilience, and ensure more effective protection of critical assets in complex IT environments.

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