Protocol-independent anomaly detection

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11297082
APP PUB NO 20200059484A1
SERIAL NO

16535521

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Abstract

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A computer-implemented method for implementing protocol-independent anomaly detection within an industrial control system (ICS) includes implementing a detection stage, including performing byte filtering using a byte filtering model based on at least one new network packet associated with the ICS, performing horizontal detection to determine whether a horizontal constraint anomaly exists in the at least one network packet based on the byte filtering and a horizontal model, including analyzing constraints across different bytes of the at least one new network packet, performing message clustering based on the horizontal detection to generate first cluster information, and performing vertical detection to determine whether a vertical anomaly exists based on the first cluster information and a vertical model, including analyzing a temporal pattern of each byte of the at least one new network packet.

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Patent Owner(s)

  • NEC CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Zhengzhang Princeton Junction, US 58 290
Kim, Chung Hwan Pennington, US 18 94
Li, Zhichun Princeton, US 56 776
Rhee, Junghwan Princeton, US 39 378
Tang, LuAn Pennington, US 48 292
Zhou, Ziqiao Chapel Hill, US 3 1

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