Download Access Control Systems: Security, Identity Management and by Messaoud Benantar PDF

By Messaoud Benantar

Now not a lot to claim in this publication other than that i discovered it incomplete and missing in functional techniques, extra studious than software orientated. i've got learn greater books at the topic just like the IAM good fortune advice: quantity 1 which deals much more strategical info because it is extra of a consultant than an educational research.

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Extra resources for Access Control Systems: Security, Identity Management and Trust Models

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Trust paths must guard against spoofing, where users are tricked into thinking they are communicating with the security-enforcement portion of the underlying system. Evidence of assurance includes the use of sound development methodologies, formalism in the design, and thorough testing of the security mechanisms under various deployment conditions. Realizing Assurance Establishing some level of assurance in a security system is a desirable goal. Naturally, the question arises as to how one arrives at determining a measure of that assurance.

6 illustrates the concept of an accesscontrol reference monitor. In addition to the mediation of access, a reference monitor should not be bypassed at all times, should support isolation of the security services from un-trusted processes, maintain system integrity, and prevent from tampering by users or system processes. The reference-monitor footprint should be kept small enough to be susceptible to rigorous verification methods. The gatekeeper approach of the reference monitor makes it an ideal component for the generation of audit trails reflecting access attempts to the resources within its confines.

Impersonation is widely used in various programming systems. 5 illustrates these forms of delegation. Access Control At the core of an access-control system is the secure evaluation of whether an established identity has access to a particular computing resource, also referred to as an object, A resource can be a service of some kind, an information receptacle such as a file or a Web resource such as a uniform resource identifier (URI). Access control is decided over an existing security context and a controlled resource.

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