- Initiation:
- Need Expressed: Identifying the requirement for the system.
- Purpose Documented: Defining the purpose and objectives of the system.
- Impact Assessment: Evaluating potential impacts and risks associated with the system.
- Development/Acquisition:
- System Design: Designing the system according to security requirements.
- Purchase/Programming/Development: Acquiring or developing the system based on the design specifications.
- Implementation:
- System Testing: Testing the system to ensure it meets security and functional requirements.
- Installation: Deploying the system in the operational environment.
- Certification and Accreditation: Officially certifying and accrediting the system for use.
- Operation/Maintenance:
- Function Performance: Ensuring the system performs its intended functions.
- Security Operations: Ongoing security management and monitoring.
- Audits: Regular audits to ensure compliance and effectiveness.
- Disposal:
- Disposition: Securely disposing of information, hardware, and software.
Key Principle:
- Physical Controls: Serve as the first line of defense.
- People: Act as the last line of defense, emphasizing the importance of security awareness and training.