1. A method of detecting security attacks on a wireless networked computer system, comprising: activating a remote sensor, the remote sensor having a wireless adapter, processor, storage and memory, the remote sensor configured and arranged to emulate a client workstation; connecting the remote sensor to a wireless computer network, the wireless computer network having an unknown security status; establishing a secure communications tunnel between the remote sensor and a server, the server configured and arranged to issue commands to the remote sensor and receive alert information from the remote sensor; detecting a security event with the remote sensor; with the server, determining a threat level the security event poses to a user of the wireless computer network; and issuing a threat assessment from the sever to the user.