noun
access permissions; access authorizations
Technical term in computing for the set of rights granted to a user or process to read, write, or execute resources.
このファイルにアクセスするには、管理者のアクセス権限が必要です。
You need administrator access permissions to access this file.
アクセス権 is a more general term for access rights, while アクセス権限 often implies a specific set of permissions or authorization level.
Compound of アクセス (access) and 権限 (authority, permissions).