Understanding the foundational security models is crucial for maintaining robust information security. These models ensure systems operate securely, manage information flow effectively, and prevent unauthorized interactions across different security levels.
State Machine Model:Ensures a system remains secure through all states and transitions. The system boots into a secure state and maintains security consistently.
Information Flow Model:Focuses on the secure flow of information between different security levels. This model prevents unauthorized, insecure, or restricted information flow and includes the Bell-LaPadula and Biba models.
Noninterference Model:Ensures that actions at higher security levels do not affect or interfere with lower security levels, providing protection against malicious activities and ensuring system integrity.
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