A means of controlling access by users to computer systems or to data on a computer system. Different types of access exist. For example, “read access” would suggest that the user has authorization only to read the information he or she is accessing, whereas “write access” would suggest that the user has authorization to both read and alter accessed data.
Access control is also an important concept within Web and other applications. The segmentation of functionality, and even entire sections of an application, are based on access control.
Webster's New World Hacker
Other Word Forms of Access-control
Access-control Sentence Examples
Of course, the system administrator has the ability to alter all of the access control on the system.
Each access control subentry below these administrative points is then checked to see if the entry is included within scope of the subtree specification.
This seminar presents preliminary steps toward providing flexible credential verification, security management and access control in ad-hoc networks.
Security and access control - In any community, there are bad apples that need to be regulated or kept out of certain areas of the site.