Title:
異常検知装置、異常検知方法、及びプログラム
Document Type and Number:
Japanese Patent JP7318711
Kind Code:
B2
Abstract:
An anomaly detection apparatus 1 includes a period specification unit 2 that, at the time of learning, classifies learning packets by type, and, with use of a packet interval calculated for every packet type and a frequency indicating an incidence rate of the packet interval, specifies a period of the packet type, and a feature extraction unit 3 that extracts, based on the period, a sequence feature amount having sequence information indicating the order of the packet types and information indicating the time distribution between packets in the sequence information.
Inventors:
Satoru Yamano
Takashi Konashi
Shohei Mitani
Takashi Konashi
Shohei Mitani
Application Number:
JP2021539730A
Publication Date:
August 01, 2023
Filing Date:
August 09, 2019
Export Citation:
Assignee:
NEC
International Classes:
H04L43/08
Other References:
栗田 萌 MOYURU KURITA,ログの順序パターンに基づく異常検知手法の提案とCANのログへの適用,情報処理学会 研究報告 コンピュータセキュリティ(CSEC) 2017-CSEC-076 [online] ,日本,情報処理学会,2017年03月17日,pp.1-7
Attorney, Agent or Firm:
Patent Attorney Corporation Britus