OpenSSH是一个重要工具，它可以保护计算机之间的通信和信息传输的安全。
OpenSSH is an important tool that keeps the communication and transfer of information between machines secure.
这让我提醒自己，在我那台用于网上银行业务的电脑上用来保护系统安全的工具必须要尽可能的安全(而且还要有效)。
That made me think about the tools I use to secure the computer I use for online banking, which has to be as secure as possible (and practical).
当我登台进行我的演示时，我看了看我的笔记本，立即发现了一条消息，该消息来自我们的IBM安全实用工具，告知我禁用我的屏幕保护程序违反了一个策略。
When I took the stage to do my demo, I looked at my laptop and promptly saw a message from our IBM security utility about a policy violation for disabling my screensaver.
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