Definition of OS Security
OS Security can be defined as controlling the risks on an operating system.
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OS Security
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Operating Systems Security Considerations
Operating Systems 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 isn't 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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Implementing and Maintaining AIX Security Policies
This paper is meant to serve as an introductory guide to the basic security and server hardening functions present in AIX. Many of the features and functions shown throughout this guide are applicable to AIX 4.3 and above, but are more directed toward AIX 5.2. Since security is and will always remain a major issue in server environments, it is crucial that system administrators have a strong working knowledge of security policy implementation and hardening features. This knowledge can be applied to new systems, or to bring older systems up to date.
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