adj. undisclosed
安全问题涉及管理和技术手段，以避免损失和未授权的访问，破环，使用或者数据泄露。
Security involves both managerial and technical measures to protect against loss and the unauthorized access, destruction, use, or disclosure of the data.
如果它是锁着的，证明网站是安全的，未锁的情况下，你就不能泄露自己的信用卡号码。
If it is locked, the site is secure, unlocked means that you should not give a credit card number.
使信息不泄露给未授权的个人、实体、过程或不使信息为其利用的特性。
The property that information is not made available or disclosed to unauthorized individuals, entities, or processes.
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