A System Security Plan (SSP) is a comprehensive document that outlines an organization’s security policies, descriptions of technical specifications, and procedures related to its systems and infrastructure. It describes the system’s boundaries, security controls, authorization details, and risk management strategies. The SSP is vital for compliance with various frameworks, including NIST 800-53 and CMMC, and is tailored to suit different audiences, such as auditors, system users, and security professionals. Title: A System Security Plan (SSP) is a comprehensive document that outlines an organization’s security policies, technical specifications, and procedures related to its systems and infrastructure. (System Security Plan)

Applicability: Applicable in compliance documentation, risk management, and system security.

URL: NIST Special Publication 800-18