The four types of attacks are denial-of-service; unauthorized access from a remote machine (e.g. guessing password); unauthorized access to local superuser (root) privileges; surveillance and other probing (e.g., port scanning).
There were no denials from the BBC, and the controller hurried back from a brief post-festival Scottish tour - he had gone to check out filming of Monarch of the Glen and Castaway - for a series of meetings with his bosses in London.
Here are five denials from the justice secretary, leave campaigner and former education secretary.
So who gave him this information, and why have there been no denials from the military or from politicians about this scene?
"We have put these findings to both sides but are facing denials from the government and the rebels," said Clare Castillejo, Amnesty's researcher on Nepal.
There's been the expected denials from Forlan, his agent and his current club, while TFC themselves settled on, 'yes we're talking but there's nothing concrete'.
Mancini must now wait to see if reports of his demise are true but there has been no denial from City, which the Italian clearly feels there should have been.
He insists that his vote was "for the good of football" yet there has never been a denial from him that in November 2010, 10 days before Qatar was chosen, he attended a lunch at the Elysée Palace with Qatar's Prime Minister, its Crown Prince and Nicolas Sarkozy, then President of France.
All that came was a denial from Prime Minister Dominique de Villepin that a tear gas canister had 'at any time been fired in the direction of the mosque'.
According to Nick Davies n Flat Earth News, "Scientists spent two decades warning the planet was heating up while journalists simply balanced what they were saying with denials from experts and oil companies.'" In this case "balancing" reporting with the manufactured doubt presents an inaccurate, misleading overview of the science.
