（在本例中，我只能通过编程方式访问它，因为与所有内容关联的默认访问控制被设置为拒绝任何未授权访问）。

And in this case, I can only access it programmatically, because the default access controls associated with everything are set to deny any noncredentialed access to it.

youdao

自由访问控制(DAC)是大多数操作系统保护机制的核心，DAC的安全性研究关注对象的权限是否被泄漏给未授权主体。

Discretionary access control (DAC) is the kernel of most protection mechanism, and the research on safety of DAC concerns whether rights can be leaked to unauthorized subjects.

youdao

由PIN控制的安全性帮助防止对您的敏感的UPS递送信息的未授权的访问。

PIN-controlled security helps prevent unauthorized access to your sensitive UPS delivery information.

youdao