In the event of recognizing the occurrence of an act of unauthorized computer access, the prefectural public safety commission (area public safety commission in case of the areas except for the area where Hokkaido Police Headquarters is located (meaning the area prescribed in the main clause of Article 51, paragraph (1) of the Police Act (Act No.162 of 1954); the same applies in this paragraph;); hereinafter the same applies in this Article) is to provide the access administrator associated with the specified computer that has been exposed to unauthorized access with appropriate assistance, including advice, guidance and supply of relevant data, so as to enable the relevant administrator to take any necessary emergency measures to protect the specified computer concerned from further acts of unauthorized access according to the modus operandi or cause of the act of unauthorized access concerned. This is on the condition that the access administrator concerned has requested assistance together with any documents and other items regarding the matters which would serve as reference information such as the operational and management status of the specified computer concerned at the time of the act of unauthorized access concerned and other circumstances to prevent the recurrence of similar acts, and that the relevant request is deemed reasonable.
都道府県公安委員会（道警察本部の所在地を包括する方面（警察法（昭和二十九年法律第百六十二号）第五十一条第一項本文に規定する方面をいう。以下この項において同じ。）を除く方面にあっては、方面公安委員会。以下この条において同じ。）は、不正アクセス行為が行われたと認められる場合において、当該不正アクセス行為に係る特定電子計算機に係るアクセス管理者から、その再発を防止するため、当該不正アクセス行為が行われた際の当該特定電子計算機の作動状況及び管理状況その他の参考となるべき事項に関する書類その他の物件を添えて、援助を受けたい旨の申出があり、その申出を相当と認めるときは、当該アクセス管理者に対し、当該不正アクセス行為の手口又はこれが行われた原因に応じ当該特定電子計算機を不正アクセス行為から防御するため必要な応急の措置が的確に講じられるよう、必要な資料の提供、助言、指導その他の援助を行うものとする。
A prefectural public safety commission may entrust the whole or a part of the work involved in the implementation of the case analysis needed to provide the assistance prescribed in the preceding paragraph (encompassing a technical investigation and analysis of the modus operandi and cause of the act of unauthorized computer access for which the assistance concerned has been sought and other matters; the same applies in the following paragraph) to a person to be specified in the Rules of National Public Safety Commission.
Any person who has engaged in the work involved in the implementation of the case analysis entrusted by a prefectural public safety commission pursuant to the provisions of the preceding paragraph may not divulge any secrets that said person has become privy to through this work.
Beyond what is set forth in the preceding three paragraphs, any necessary matters in connection with the assistance prescribed in paragraph (1) are prescribed by the Rules of National Public Safety Commission.
Beyond what is set forth in paragraph (1), the prefectural public safety commission must endeavor to raise awareness and spread knowledge about the protection of specified computers with an access control feature from acts of unauthorized computer access.