Information security – Access control or authentication – Network
Reexamination Certificate
2008-09-13
2010-12-21
Harper, Vincent P (Department: 2617)
Information security
Access control or authentication
Network
C726S004000, C370S230000, C370S245000, C370S252000, C713S154000, C713S155000
Reexamination Certificate
active
07856656
ABSTRACT:
Methods and systems for detecting a masquerading wireless device in a local area network are provided. The method includes receiving a first packet and a second packet. Preferably, the first packet includes a first identity information and a first time information, and the second packet includes a second identity information and a second time information. The method can compute, using the first time information, a first approximation to a starting time of a wireless device associated with the first identity information. The method can also compute, using the second time information, a second approximation to a starting time of a wireless device associated with the second identity information. The method further includes determining whether a masquerading wireless device is present in the local area network based on at least the first and second approximations.
REFERENCES:
patent: 7110756 (2006-09-01), Diener
patent: 7286515 (2007-10-01), Olson et al.
patent: 7302269 (2007-11-01), Crawford et al.
patent: 7307980 (2007-12-01), Shah
Bhagwat Pravin
Kharvandikar Shrinivas
AirTight Networks
AirTight Networks, Inc.
Chaskar Hemant M.
Harper Vincent P
Sabouri Mazda
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