Security reauthorizations are associated with which SDLC lifecycle phase?

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Multiple Choice

Security reauthorizations are associated with which SDLC lifecycle phase?

Explanation:
Security reauthorizations are about ensuring the system continues to meet security requirements once it is in operation and under ongoing monitoring. In the SDLC, this belongs to the Operations and Maintenance phase, where the system is live, updates and patches are applied, and risk is continuously assessed. Reauthorization (often through recertification or continuous monitoring) renews the Authority to Operate as changes occur or on a set cadence, confirming continued compliance with security controls. The earlier phases—planning, design, and initiation—focus on defining requirements and building the system, not on ongoing authorization, which is why the Operations/Maintenance phase is the appropriate association.

Security reauthorizations are about ensuring the system continues to meet security requirements once it is in operation and under ongoing monitoring. In the SDLC, this belongs to the Operations and Maintenance phase, where the system is live, updates and patches are applied, and risk is continuously assessed. Reauthorization (often through recertification or continuous monitoring) renews the Authority to Operate as changes occur or on a set cadence, confirming continued compliance with security controls. The earlier phases—planning, design, and initiation—focus on defining requirements and building the system, not on ongoing authorization, which is why the Operations/Maintenance phase is the appropriate association.

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