充当策略强制点，以抵御未经授权的访问。

Acting as a Policy Enforcement Point, to protect against unauthorized access.

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保护系统上的信息不受未经授权的访问一直都是一个关键任务。

Protecting information on a system is always a critical task from unauthorized access.

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可能需要使用访问控制来保护事件负载免受未经授权的访问。

It may be necessary to secure event payloads from unauthorized access using access control.

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