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1. (WO2018088383) SECURITY RULE EVALUATION DEVICE AND SECURITY RULE EVALUATION SYSTEM

Pub. No.:    WO/2018/088383    International Application No.:    PCT/JP2017/040045
Publication Date: Fri May 18 01:59:59 CEST 2018 International Filing Date: Wed Nov 08 00:59:59 CET 2017
IPC: G06F 21/57
Applicants: HITACHI SYSTEMS, LTD.
株式会社日立システムズ
Inventors: NISHI Yusuke
西 佑介
HAGIWARA Toshihiko
萩原 敏彦
Title: SECURITY RULE EVALUATION DEVICE AND SECURITY RULE EVALUATION SYSTEM
Abstract:
The purpose of the present invention is to provide a technology which assists with considering a change in a security rule in connection with a change in environment. Provided is a security rule evaluation device, comprising: a threat information management unit which identifies information of the seriousness of an information security threat and pertinence characteristic information which indicates a pertinence characteristic between the threat and an information processing system subject to protection; a security rule evaluation unit which, using at least the seriousness information and the pertinence characteristic information, computes for each security rule of the information processing system a priority for updating the security rule; and a priority rule presentation unit which presents the security rules which are subject to updating, in order by the priority according to the security rule evaluation unit.