On Tuesday the company admitted that there had been a cyber attack on the Sony Online Entertainment (SOE) network in April.

周二，公司承认索尼在线娱乐网络系统曾在四月份遭到网络攻击。

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He said: "the biggest mistake anyone can make is using the same password for each account as you can become more vulnerable should a cyber attack occur."

他说：“最大的错误是你的所有账户都使用同一个密码，黑客攻击时，你的账户会变得非常脆弱。”

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Greece's central bank became the target of a cyber attack by activist hacking group Anonymous on Tuesday which disrupted service of its website, a bank of Greece official said on Wednesday.

据一名希腊央行的官员在周三透露，激进黑客组织“匿名”把希腊央行列为了网络攻击的目标，他们破坏了希腊央行的网络服务。

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It had gone blank, as a result of a cyber attack on the Gawker server.

NEWYORKER: Search and Destroy

Authorities were tipped off to its existence while investigating a cyber attack in 2007.

CNN: China: Large hacker training Web site shut down

Roughly 60% of small businesses close within six months of a cyber attack.

FORBES: Your Business Is Never Too Small For A Cyber Attack, Here's How To Protect Yourself