safeguard; protection function
Computing term for a feature or mechanism that protects data, systems, or users from harm or unauthorized access.
This software is equipped with a powerful safeguard.
Enabling the protection function can prevent unauthorized access.
Katakana loanword often used in similar technical contexts, but 保護機能 is the native Japanese compound and may sound more formal or integrated into Japanese documentation.
Compound of 保護 (protection) and 機能 (function). A straightforward modern technical term.