The term "access administrator" as used in this Act means a person who manages the operation of a computer connected to a telecommunications line (hereinafter referred to as a "specified computer") in relation to its use (limited to the kind realized via the telecommunications line concerned, hereinafter referred to as "specified use").
この法律において「アクセス管理者」とは、電気通信回線に接続している電子計算機（以下「特定電子計算機」という。）の利用（当該電気通信回線を通じて行うものに限る。以下「特定利用」という。）につき当該特定電子計算機の動作を管理する者をいう。
The term "identification code" as used in this Act means a code allocated to a person who, with regard to the specified use of a specified computer, has been granted permission from the access administrator with authority over the relevant specified use (hereinafter referred to as an "authorized user") or the relevant access administrator (hereafter in this paragraph referred to as an "authorized user, etc.") so as to enable the access administrator concerned to identify this particular authorized user, etc. as distinguished from all other authorized users, etc. In concrete terms, an identification code may be any of the following or a combination of any of the following and another code:
a code the content of which must not, according to the instructions of the access administrator concerned, be revealed to a third party without reason
当該アクセス管理者によってその内容をみだりに第三者に知らせてはならないものとされている符号
a code that has been generated from an image of the whole or a part of the body of the authorized user, etc. concerned or the relevant user's voice using a method specified by the access administrator concerned
a code that has been generated from the signature of the authorized user, etc. concerned using a method specified by the access administrator concerned
The term "access control feature" as used in this Act means a feature that has been added to a specified computer subject to specified use or another specified computer connected thereto via a telecommunications line by the access administrator with authority over the specified use of the specified computer concerned to automatically control the relevant specified use. An access control feature is to be designed to remove all or part of the restrictions imposed on the relevant specified use upon confirming that a code input into the specified computer associated therewith by a person wishing to engage in the relevant specified use is identical to the identification code associated with the relevant specified use (including a combination of a code generated from the identification code using a method specified by the access administrator concerned and a part of the identification code concerned; the same applies in items (i) and (ii) of the following paragraph).
The term "act of unauthorized computer access" as used in this Act means any of the following acts:
この法律において「不正アクセス行為」とは、次の各号のいずれかに該当する行為をいう。
an act of rendering a specified computer with an access control feature available for specified use that is subject to restrictions imposed by the access control feature concerned by inputting someone else's identification code associated with the access control feature concerned via a telecommunications line and thus operating the specified computer concerned (excluding the relevant act engaged in by the access administrator who has added the access control feature concerned and the relevant act engaged in upon obtaining approval from the access administrator concerned or the authorized user to whom the identification code concerned belongs)
an act of rendering a specified computer with an access control feature available for specified use that is subject to restrictions imposed by the access control feature concerned by inputting any information (excluding an identification code) or inputting a command suitable for evading the restrictions on the relevant specified use via a telecommunications line and thus operating the specified computer concerned (excluding the relevant act engaged in by the access administrator who has added the access control feature concerned and the relevant act engaged in upon obtaining approval from the access administrator concerned; the same applies in the following item)
an act of rendering a specified computer available for specified use that is subject to restrictions imposed by the access control feature of another specified computer connected thereto via a telecommunications line by inputting any information or inputting a command suitable for evading said restrictions into the specified computer so restricted via a telecommunications line and thus operating the specified computer concerned