US Patent 8639801 Real-time automated virtual private network (VPN) access management

Provided is a method for managing virtual private network (VPN) access to a network that is partitioned into a plurality of subnetworks (subnets). The method includes providing first information associated with hardware hosted on one or more subnets of the network; providing second information associated with users for VPN access, where the VPN access for each user is determined by a list of hardware each user has permission to access; detecting a hardware triggering event corresponding to a modification of the first information; and responsive to the detection of the hardware triggering event, automatically updating the second information based on the modification of the first information.