Patent ID: 7877805

Claim:
A method for detecting a security breach in a network, the method comprising: providing a plurality of transceivers, each of the plurality of transceivers having a different media access control address, at one of the plurality of transceivers: receiving a signal from an access point, the signal comprising at least one packet; determining a source media access control address for each of the at least one packet; alerting the access point when the source media access control address of the at least one packet is the media access control address of one of the plurality of transceivers; determining a packet type unexpected by the access point; and transmitting an alert packet that comprises an unencrypted alert indicator to the access point, wherein the unencrypted alert indicator includes a packet of the packet type, wherein the access point recognizes the alert packet as an indication of a security breach in the network by presence of the unencrypted alert indicator in the alert packet regardless of which key is used to encrypt the alert packet.