Patent ID: 7137140

Claim:
A network system comprising a first computer arrangement and a second computer arrangement connected by a computer network, the second computer arrangement storing data and executable fingerprint software including a plurality of instructions readable and performable by the first computer arrangement, wherein the first computer arrangement is programmed to: transmit a request for data to the second computer arrangement; receive the executable fingerprint software from the second computer arrangement; execute the executable fingerprint software, wherein the first computer arrangement executes the executable fingerprint software by reading and performing the plurality of instructions, whereby the first computer arrangement creates fingerprint data that is substantially unique to the first computer arrangement and transmits the fingerprint data to the second computer arrangement; and receive the requested data from the second computer arrangement, and wherein the second computer arrangement is programmed to: receive a request for data from the first computer arrangement; transmit the executable fingerprint software to the first computer arrangement in response to receiving the request; receive fingerprint data from the first computer arrangement, the fingerprint data being substantially unique to the first computer arrangement; and transmit the requested data to the first computer arrangement in response to receiving the fingerprint data.