“Unidentified hackers are carrying out a campaign to find out how to take down the net, warns a security expert. In a blogpost, security guru Bruce Schneier said ‘precisely calibrated’ attacks on key net firms had been seen for over a year. The attacks sought weaknesses in the defences of organisations that oversaw critical parts of the net, he said. He said his ‘first guess’ was that either China or Russia was behind the series of attacks.”
Source: Sophisticated hackers ‘aim to put net out of action’ – BBC News