Last Wednesday the web site of U.S. Bank has been hit by a DDoS attack, that caused its block, launched by a group of Islamic hacktivists. The banking sector was subject to an escalation of offensive last week, Bank of America, JPMorgan Chase, Citigroup and Wells Fargo & Co were also attacked with similar modality. The group claimed the attack on Pastbin naming itself Mrt Izz ad-Din al-Qassam Cyber Fighters”]