During which phase should cybersecurity planning activities begin?

During which phase should cybersecurity planning activities begin?

• A. Material Solution Analysis Phase
• B. Test & Evaluation Phase
• C. Operations and Maintenance Phase
• D. Deployment Phase

Answer: (A)

Cybersecurity must be built in from the start, shaping design and requirements rather than added later. Beginning cybersecurity planning during the Material Solution Analysis Phase allows threat modeling, security requirements, and risk considerations to influence the chosen solution and the system architecture from the outset. This early integration helps ensure secure-by-design decisions, cost-efficient risk mitigation, and the ability to address security gaps before they become costly retrofits. Starting security planning in later phases—during testing, deployment, or operations—means security controls and fixes are being applied after the design is already set, which can lead to costly redesigns, missed vulnerabilities, and limited ability to implement robust safeguards.

Cybersecurity must be built in from the start, shaping design and requirements rather than added later. Beginning cybersecurity planning during the Material Solution Analysis Phase allows threat modeling, security requirements, and risk considerations to influence the chosen solution and the system architecture from the outset. This early integration helps ensure secure-by-design decisions, cost-efficient risk mitigation, and the ability to address security gaps before they become costly retrofits.

Starting security planning in later phases—during testing, deployment, or operations—means security controls and fixes are being applied after the design is already set, which can lead to costly redesigns, missed vulnerabilities, and limited ability to implement robust safeguards.