Cyber Security Expo
OS Security Considerations by Mohammad Heidari on 05/07/05

An operating system is a fundamental component of most modern computer systems, Operating systems are close to the hardware, it masks the details of the underlying hardware from the programmer and provides lowest layer of software visible to users. It can be viewed as a resource manager, responsible for fair resource sharing between different processes in the system. On the other hand, Operating systems control access to application memory and scheduling of the processor. Applications must be run like OS-Level services and the developer of these apps does not know the level of details needed to develop secure applications on their own, If the OS isnít doing these things securely, it generally compromise all security at higher levels, So The OS is a very logical place to enforce and support security. This paper presents the common built-in security criteria and mechanisms in OSs, it also introduces the common Vulnerabilities.

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