公开(公告)号：US20230126967A1

公开(公告)日：2023-04-27

申请号：US17911755

申请日：2021-09-09

申请人： Hitachi, Ltd.

发明人： Atsushi SUZUKI ,  Yiwen CHEN ,  Hiroki YAMAZAKI ,  Kengo IJIMA

IPC分类号： G06F21/55 ,  G06F21/57

摘要： An unauthorized intrusion analysis support apparatus is configured to receive an input of a field related to an unauthorized intrusion; is configured to extract at least one word in the inputted field relevant to the unauthorized intrusion to an apparatus communicably coupled to a predetermined network from a text relevant to the unauthorized intrusion to the apparatus; is configured to calculate a relevance degree between the extracted word and a mode of the unauthorized intrusion based on the extracted word and information on a word of the mode of the unauthorized intrusion in the inputted field and assume that the text is a text about the unauthorized intrusion in the inputted field when the calculated relevance degree is equal to or higher than a predetermined threshold; and is configured to output information indicating that the text is the text about the unauthorized intrusion in a user field.