Patent ID: 8307068

Claim:
A network management system connected to a client computer via a first network, said client computer having an associated client activity monitor, said network management system comprising: (a) a router-switch connected to said first network and to a second network; (b) a network server comprising a computer hardware platform having a processor and a computer-readable storage medium in communication with said router-switch; (c) a status monitor which receives status messages from each of said client activity monitor; and (d) a network activity monitor which receives activity information from said client activity monitor and stores said activity information for subsequent retrieval, said activity information comprising captured screen images from computers connected to said first network; (e) a display module operable to display said activity information stored by said network activity monitor on a computer display after a period of user inactivity; said network server causing said router-switch to restrict said client computer's access to said second network if the time between receiving of consecutive said status messages by said network server from said client computer exceeds a predetermined amount of time.