A VERSION of Shamoon, the destructive computer virus that crippled tens of thousands of computers at Middle Eastern energy companies four years ago, was used in mid-November to attack computers in Saudi Arabia and elsewhere in the region, according to US security firms.

They did not name any victims of the new version of Shamoon, which cripples computers by wiping their master boot records that they use to start up.

They also did not say how much damage had been caused or identify the hackers.

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