This week Google revealed that a cyber attack originating from China had used a technique known as "spear phishing" to extract Gmail passwords from unwary users.

本周谷歌披露说，一次来源于中国的网络攻击，通过使用一项“鱼叉式网络钓鱼”技术提取那些粗心大意的谷歌邮箱用户的账号密码。

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This kind of targeted attack - known as spear-phishing - has become so dangerous because of the amount of information we divulge on the Internet.

这样带有目标性的攻击——叫做鱼叉式网路钓鱼——已经变得很危险，因为我们通常会在因特网上泄露大量的信息。

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They have not been able to establish how exactly the hackers broke into the system, but believe it may have been through a so-called spear-phishing attack, where an employee clicked on an email or link containing malicious code.

BBC: New York Times 'hit by hackers from China'

The rise of social networks, for example, has aided an increasingly common kind of attack known as spear-phishing, says Greg Bell, global service leader for KPMG's information protection practice.

WSJ: Tech Companies Struggle to Keep Hackers at Bay