Such actions demonstrate how hackers straddle the line separating the legal and illegal, explained Rik Ferguson, senior security researcher at Trend Micro.

趋势科技公司高级安全研究员Rik Ferguson解释说，这些行为证明黑客可以是合法的，也可以是非法的。

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"It looks like they are using the same approach as Libya did, " explained Rik Ferguson, vice president of security research at Trend Micro.

BBC: Syria: Internet and mobile communication 'cut off'

Rik Ferguson, director of security research at Trend Micro, said it was the first time he had heard of ransomware displaying images that users were accused of harbouring.

BBC: Ransomware page