It provides a "High," "Moderate," or "Low" risk rating for the system, which is essential for the Authorizing Official (AO) to grant an Authority to Operate (ATO) .

System Security Plan (SSP) and/or Information Security (IS) Risk ... - CMS

It establishes the "who, what, and how" of system access, ensuring that technical defenses are supported by organizational policy. The RAR: The Mirror of Reality

Ssp rar

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