| CHAPTER | |
| 20 | Operating System Security Models |
In this chapter, we will discuss concepts related to operating system security models, namely
• The security reference monitor and how it manages the security of its related elements
• Access control—the heart of information security
• International standards for operating system security, which provide organizations with a level of assurance and integrity
Quite simply, an operating system security model is the foundation of the operating system’s security functionality. All security functionality is architected, specified, and detailed in advance—before a single line of code is written. Everything built on top of the security model must be mapped back to it, and any action that violates ...
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