Patent ID: 8150374

Claim:
A method of remotely maintaining a secure access system, comprising: storing, at a secure access system controller, a first set of credential data for at least one user of the secure access system, the secure access system controller in communication with a plurality of readers; receiving, at the secure access system controller, a credential update for the at least one user of the secure access system; and in response to receiving the credential update, the controller replacing the first set of credential data with a second set of credential data that is different from the first set of credential data and the controller further automatically initiating a system update process, the system update process comprising: generating a message comprising information representing the controller's replacement of the first set of credential data with the second set of credential data; determining at least one target for the message, wherein the at least one target comprises at least one mobile device associated with the at least one user; transmitting the message to the at least one target; receiving the message at the at least one mobile device; and modifying at least a portion of memory of the at least one mobile device according to the updated credential information, wherein the modifying comprises at least one of disabling, revoking, and re-writing at least a portion of the memory.