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In this Tuesday, Dec. 4, 2007 file photo, Employees of the Saudi Aramco oil company prepare for the first day of the Arab Oil and Gas exhibition in Dubai, United Arab Emirates. Computer security technicians are still trying to unravel how destructive viruses crippled two major Arab energy companies in recent weeks, but early indications suggest the infections were the result of a highly targeted and possibly coordinated sabotage attack.
Associated Press