PC World has selected eight great security tools that'll do the job for free.

在电脑世界里有8种免费的杀毒工具。

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Files Wiper - The Security Tools allow you to delete any files permanently without recovery.

档案雨刮器-安全工具让你可以删除任何文件永久没有复苏。

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The Knoppix Security Tools Distribution site, for example, gives a checksum value of de03204ea5777d0e5fd6eb97b43034cb.

比如，Knoppix安全工具网站上给出的校验和是de03204ea5777d0e5fd6eb97b43034cb。

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Those three tools are asset allocation, market timing, and security selection.

这些工具是,资产配置,市场时机选择和证券选择

耶鲁公开课 - 金融市场课程节选

Malicious hackers won access despite widespread use of security tools that aim to spot and stop intrusions.

BBC: State-backed data spies hunt industrial secrets

And security tools really don't help here, Goldsmith says, although strong firewalling and external session-layer encryption are helpful.

FORBES: Magazine Article

But making sure the right security tools are in place, will assure data breaches are kept to a minimum.

FORBES: 5 Questions Boards Should Ask About Data Privacy Risks