But just because an electricity company's customers can pay their bills online, it does not necessarily follow that the company's critical control systems are vulnerable to attack.

但那仅仅是为了让一家电力公司的客户可以在网上支付帐单，它并不一定意味着这家公司的关键控制系统就容易受到攻击。

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The actual damage done was minimal, but it has all added to the sense of urgency, in America in particular, about the need to protect critical infrastructure from such an attack.

尽管实际的损害并不大，但是足以让我们提高警惕，尤其在美国更加需要维护系统避免受到攻击。

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He described condition of some of those wounded in the attack as critical.

他说，袭击中一些伤者的伤势严重。

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Thus far it appears that there has been no serious effort to determine critical details of this attack.

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Congress has failed to pass any of the dozens of bills aimed at meaningfully securing critical infrastructure from cyber attack.

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Often the critical factor was not the panic attack itself, but the way the sufferer responded.

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