Patent ID: 8218449

Claim:
A system comprising: an intrusion detection system configured to be coupled to a network having a first wireless area and a second wireless area; the intrusion detection system configured to receive a copy of a first packet meeting a specified criteria, the intrusion detection system configured to receive the copy of the first packet from a first snoop filter of a first access point included in the first wireless access area and monitoring traffic between the first access point and a mobile device having an identity; the intrusion detection system configured to receive a copy of a second packet meeting the specified criteria when the mobile device moves from the first wireless access area to the second wireless access area, the intrusion detection system configured to receive the copy of the second packet from a second snoop filter of a second access point included in the second access area and monitoring traffic between the second access point and the mobile device having an identity corresponding to the identity of the mobile device when the first snoop filter monitors traffic between the first access point and the mobile device.