Hacktivist collective started its Operation Israel campaign at 3 a.m. Eastern time Thursday. Attackers targeted Israeli government and corporate sites in retaliation for airstrikes in the Gaza Strip. The attackers claimed to be Islamic hacktivists running a grassroots operation, but experts said the sophistication showed that they were well organized and had access to significant resources. The latest Anonymous campaign involved a number of well-known network flood tools, such as ByteDos3, Tor’s Hammer and LoIC, which is a favorite of the group.”]