The exact location has not been revealed due to security concerns Iranian cyber terrorists forced the unnamed facility to be completely closed down while staff battled to bring systems back online, in the first and most effective attack of its kind. Key points and original sources are listed below.

• The exact location has not been revealed due to security concernsS1

• Iranian cyber terrorists forced the unnamed facility to be completely closed down while staff battled to bring systems back online, in the first and most effective attack of its kind.S2