NATO leaders have agreed that a large-scale cyber attack on a
member country could be considered an attack on the entire
U.S.-led alliance, potentially triggering a military
The decision marks an expansion of the organisation's remit,
reflecting new threats that can disable critical
infrastructure, financial systems and government without
firing a shot.
"Today we declare that cyber defence is part of NATO's core
task of collective defence," NATO Secretary-General Anders
Fogh Rasmussen told a news conference.
In 2007, a series of crippling cyber attacks paralysed much
of NATO member Estonia in an apparent response to a dispute
over the movement of a Soviet-era war memorial. Most Western
experts suspected the Kremlin was responsible but Russia