The key logger allows an attacker to hijack any user input; for example, if a user uses a Web-based e-mail service, the key logger will record and transmit any text input to the attacker.

键盘记录工具允许攻击者劫持任何用户输入；比如说，如果某个用户在使用一个基于 Web 的电子邮件服务，那么键盘记录工具将记录下任何文本输入并将其发送给攻击者。

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Soft keypads are becoming a common technique to prevent key-logger attacks on sensitive input, such as the login PIN code for online banking services.

软键盘是防止键盘记录工具窃取敏感输入信息(比如说用于在线金融服务的登录pin码)的一个常用技巧。

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Mr Scarfo's lawyers say the FBI infringed their client's constitutional rights, but the Bureau argues the key logger does not fall under the terms of current legislation on bugging.

BBC: FBI keeps its bugging secrets