US Patent 11206262 Policy-based triggering of revision of access control information

A method, computer program product and a computer system for facilitating a maintenance of access control information for controlling access to one or more resources of an information technology system by one or more subjects. One or more trigger policies are evaluated according to one or more policy parameters relating to the resources, the subjects and/or the access to the resources by the subjects. A revision of the access control information including a mining activity for mapping the subjects to the resources is triggered according to a result of the evaluation of the trigger policies. A computer program and a computer program product for performing the method are also proposed.