UNIT 2 ASSIGNMENT 2

UNIT 2 ASSIGNMENT 2 - SAMUEL KWAW IS3340 WINDOWS SECURITY...

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SAMUEL KWAW IS3340 WINDOWS SECURITY UNIT 2 ASSIGNMENT 2 PROCEDURE GUIDE ON ACCESS CONTROL Least Privilege and Separation of Duties With regards to accepted Principles and Practices for Securing Information Technology Systems, the principles of separation of duties and least privilege are security rules that must be applied when granting access. This principle requires that each subject in a system be granted the most restrictive set of privileges (or lowest clearance) needed for the performance of authorized tasks. The application of this principle limits the damage that can result from accident, error, or unauthorized use. Implementing ‘least privilege’ means that users will only get, and retain, the permissions and privileges required to do their jobs. Privileges will be allocated to individuals on a need-to-use basis and on an event by- event basis, i.e. the minimum requirement for their functional role only when needed. The ISO17799 Standard identifies the concept of ‘Zero Access’ to start. That suggests that no access or virtually no access is the default, so that all subsequent access and the ultimate accumulation can be traced back through an approval process.
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