Method and apparatus for detecting null-ciphering channels

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United States of America Patent

PATENT NO 11350282
APP PUB NO 20220046423A1
SERIAL NO

17332851

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Abstract

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Provided is a method for detecting abnormal traffic. The method comprises collecting non-access stratum (NAS) traffic between a user equipment (UE) and a mobility management node, identifying a ciphering algorithm supported by the UE from a network access request message transmitted from the UE to the mobility management node, and identifying the UE as a first type of terminal at risk based on a determination that the UE only supports a null ciphering algorithm.

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Patent Owner(s)

Patent OwnerAddress
KOREA INTERNET & SECURITY AGENCY9 JINHEUNG-GIL NAJU-SI JEOLLANAM-DO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cho, Hyung Jin Jeollanam-do, KR 12 2
Cho, Jin Hyun Jeollanam-do, KR 48 605
Choi, Bo Min Jeollanam-do, KR 5 42
Kim, Do Won Jeollanam-do, KR 38 122
Kwon, Sung Moon Jeollanam-do, KR 5 1
Park, Seong Min Jeollanam-do, KR 32 29
Park, Young Kwon Jeollanam-do, KR 6 0

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