A network security system for managing access to a plurality of different network systems for a plurality of users. The network security system includes an enterprise directory system configured to process request messages from each of the network systems requesting access rights for a user to generate a response message for each of the network systems that includes the access rights for the user. The enterprise directory system is also configured to process a single termination message to generate an individual termination message for each of the network systems that includes an instruction to terminate the access rights for one of the users. The resource directory is configured to receive an instruction to terminate the access rights for the corresponding user and process the instruction to generate the termination message for the enterprise directory system.