Middle Eastern oil and gas companies have been targeted in massive attacks on their computer networks in an increasingly open cyber war where a new virus was discovered just this past week.
The United States and Israel, believed to behind the first cyber sabotage campaign that targeted Iran's nuclear programme, are now worried about becoming targeted themselves.
"There have been increasing efforts to carry out cyberattacks on Israel's computer infrastructure," Prime Minister Benjamin Netanyahu said earlier this month, without giving details.
Netanyahu spoke just days after Washington issued a veiled warning to Iran over digital attacks and outlined a new digital warfare doctrine.
US Defense Secretary Leon Panetta also referred publicly for the first time about the "Shamoon" virus that hit Saudi Arabia's state oil company Aramco in August, disabling more than 300,000 computers.
The virus also hit Rasgas, a joint venture between US oil firm Exxon Mobil Corp and state-controlled Qatar Petroleum.
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