1. One or more tangible computer-readable storage media encoding computer-executable instructions for executing on a computer system a computer process, wherein the computer-readable storage media is not a carrier wave or propagating signal and the computer process further comprises: intercepting network traffic of an enterprise network directed to a target destination; copying the intercepted traffic; replaying the copied network traffic outside of the enterprise network to an end destination other than the target destination wherein the intercepting, copying, and replaying of each individual packet of the network traffic are all performed in less than one second; and assessing whether the replayed copied traffic includes a potential security threat to the enterprise network.