Patent ID: 8667590

Claim:
A method of scanning data for computer viruses in a computer network, the method comprising: receiving data in a network component of the computer network; scanning the data for computer viruses either in the network component or in a server computer depending on traffic load through the network component; and forwarding the data from the network component to its intended destination after the data has been scanned for computer viruses either in the network component or in the server computer; wherein scanning the data in the server computer comprises: transmitting the data from the network component to the server computer over the computer network, scanning the data for computer viruses in the server computer, and transmitting the data from the server computer to the network component over the computer network; wherein the network component comprises a security appliance coupled to one high availability device, the high availability device being of a type that cannot be readily brought down for updating; wherein the high availability device includes a device configured for a manufacturing operation; wherein the computer network includes a private network; and wherein the manufacturing operation includes wafer fabrication.