Making files immutable is often done as part of a security or intrusion detection effort.

使文件不可变通常是安全或者入侵检测工作的一部分。

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This security feature provides robust protection against unwanted intrusion and provides designated users easy access to documents that they should see.

该安全特性为防止有害入侵提供了强力保护，并且能够使指定用户方便地访问其应该查看的文档。

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Intrusion detection and audits of security logs.

入侵检测以及安全日志审核。

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Comcast's XFINITY Home Security service provides intrusion and fire protection in addition to a host of interactive features including home monitoring, home management and energy management services, with the added benefits of web and mobile access.

ENGADGET: Xfinity Home Security makes home monitoring and management Comcastic (video)

The security system, called Perimeter Intrusion Detection System (PIDS), is manufactured by the Massachusetts-based Raytheon company.

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Cisco offers security products like firewall, intrusion prevention, remote access and virtual private networks (VPNs), unified client, web, and email security.

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