By Messaoud Benantar
No longer a lot to assert in this ebook other than that i discovered it incomplete and missing in functional techniques, extra studious than software orientated. i've got learn higher books at the topic just like the IAM good fortune assistance: quantity 1 which bargains much more strategical info because it is extra of a advisor than a tutorial learn.
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Extra info for Access Control Systems: Security, Identity Management and Trust Models
For instance, in the classical MVS operating system and its derivatives, all system and executing user functions (including the master scheduler, which is analogous to the Kernel in UNIX systems) are associated with a control structure representing a security context that is called an accessor control environment element (ACEE). This uniformity allows the TCB to treat all system and user processes in the same way. 4 depicts the process of attaching a security context to an address space or an execution thread.
The PP describes the required security functionality referred to as the security target (ST), which is used as the basis for evaluation. Examples of TOEs include operating systems, computer networks, distributed systems, and applications implemented in hardware, firmware, or software. The core elements of the CC address information protection from security threats, such as unauthorized disclosure, modification, or loss of use (unavailability). These threats, as we have discussed, are countered through the mechanisms of information confidentiality, integrity, and availability.
O A trusted service can initiate a new process with an associated security context of any other identity known to the system. It is important to note that the authority of attaching a security context to user address spaces is accomplished without having to access the user's secret authentication information. Therefore, this can be achieved only in a highly reliable and trusted environment, such as one analogous to the classical environment of the MVS operating system. Delegating Security Contexts Identity delegation is the term commonly used when referring to the inheritance of security contexts along a chain of processes or threads of execution in response to a service request.
Access Control Systems: Security, Identity Management and Trust Models by Messaoud Benantar