She said McKinnon's hacking activities "were not random experiments in computer hacking, but a deliberate effort to breach US defence systems at a critical time which caused well-documented damage.

她说，麦金农的黑客活动“并不是非法访问计算机时的随机试验，而是在关键时刻故意破坏美国防御系统，并且留下了证据确凿的损害。

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Then computer security firm RSA had their servers breached, an attack that may have led to the hacking of defence giant Lockheed Martin, an RSA client.

然后从事电脑安全的企业 RSA，它的服务器被黑客破坏，这个攻击或许导致RSA大客户 Lockheed Martin的 电脑防御系统失效。

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Computer firms have learned that writing secure code is almost impossible and that openness is the best defence.

计算机公司已然意识，编写安全代码几乎不可能，只有公开才是最好的防御。

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Defence lawyers have questioned the computer-based method used by a US DNA expert in the investigation into the murder of two soldiers in March 2009.

BBC: Patrick Azimkar (left) and Mark Quinsey

On Thursday, defence lawyers questioned Dr Perlin's computer based statistical analysis.

BBC: Patrick Azimkar (left) and Mark Quinsey

However, because of a late admission by the defence that Dr White would be using a new computer simulation to illustrate his theory, Judge Michael Pastor has given prosecutors the weekend to analyse the data before cross-examining the defence's expert.

BBC: Conrad Murray trial: Jackson 'addicted to Demerol'