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Local access control system management using domain information updates

  • US 9,922,476 B2
  • Filed: 08/11/2015
  • Issued: 03/20/2018
  • Est. Priority Date: 08/11/2015
  • Status: Active Grant
First Claim
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1. An access control system associated with an access-controlled area of a distributed site of an electric power delivery system, the system comprising:

  • a credential input interface configured to receive authentication credentials from a user;

    a communications interface communicatively coupled to an access control device associated with the access-controlled area and a domain controller associated with the access control system, the domain controller managing a directory service comprising a plurality of user entries, each user entry comprising physical access attribute information;

    a processor communicatively coupled to the credential input interface and the communications interface;

    a computer-readable storage medium communicatively coupled to the processor, the computer-readable storage medium storing executable program instructions that cause the processor to;

    receive, via the communications interface from the domain controller, local domain update information, the local domain update information comprising at least a subset of the plurality of user entries included in the directory service managed by the domain controller;

    store the local domain update information within local domain information managed by the access control system;

    determine, based on the received authentication credentials and the local domain information, whether the authentication credentials are associated with a user entry having current access rights to the access-controlled area;

    generate, based on the determination, an access control signal configured to implement an access control action by the access control device;

    transmit, via the communications interface, the access control signal to the access control device;

    generate, based on the determination, a logical access control signal configured to implement a logical access control determination by a resource included in the access-controlled area; and

    transmit, via the communications interface, the logical access control signal to the resource.

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