Chapter TWELVE. Security

TOPICS IN THIS CHAPTER

  • Operating System Security Models

  • Network Security

  • Host Security

  • Encryption

  • System Integrity Checking

We assert that host security issues address how a host is defined as a single entity, while network security is about issues and problems of security dealing with how hosts are interconnected. Each host is subject to security issues and concerns about physical access, account authentication, and account permissions. An account may represent credentials of a user or a service. Elsolutions will have a high-speed internal network with routes to and from the Internet. The network is subject to two broad categories of attack: unauthorized access and denial of service. Unauthorized access is any entry into ...

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