Online-banking sites in Northern Europe have taken down by dangerous offensives. Banking institutions throughout Europe have been victim of various attacks in the last months. European Network and Information Security Agency (ENISA) issued an alert to the possible increase of risk related to cyber-attacks included DDoS attacks. ENISA representative accused in particular ISP and banks using the following statements: The ISPs are either unaware of these standards that have existed for 13 years, or they do not deem they can muster the costs to apply them”]