Every database management system must be able to protect data against unauthorized access and modification.

每个数据库管理系统都必须能保护数据不会受到未授权访问和修改。

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Any unauthorized access of a computer and its data, constitutes a breach of a computer system.

所有未经授权的对计算机及其数据的访问，都可能造成计算机系统的泄露。

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You should also log any attempted unauthorized access to the system.

您应该记录任何不成功的系统登录。

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We will cooperate with law enforcement in any investigation of unauthorized system access and to prosecute violators to the fullest extent of the law.

FORBES: AT&T Email: That Huge iPad Security Breach Was Caused By Bad People Called "Hackers"--Not AT&T

According to the report, support personnel working with an unidentified DOD system were able to alter system audit logs, which record all system activity and are a critical tool in identifying fraud and unauthorized access.

CNN: Extensive security gaps persist in DOD networks