Static IP addresses are typically assigned to common resources and DHCP is used for workstations. When the network was originally designed, IP subnets were assigned to dif- ferent offices and departments. However, over time and as the network grew, this subnet organization has broken down. Over the last several years IP subnets have been as- signed and reassigned without any regard to department or location. The networking staff has employed all of the standard security practices one would expect to find at most organizations of this size. All connections to the Internet are protected by firewalls and network intrusion detection systems. All of.