“Several hacktivist groups are planning to unite their forces for OpIsrael starting with April 7. However, in the meantime, others keep targeting high-profile Israeli websites as a form of protest against the Israeli government.
The latest attack is the result of cooperation between Sector 404, Anonymous and the notorious Turkish collective RedHack. “
Source:Hackers Take Down Official Mossad Website, Details of 30,000 Israeli Officials Leaked – Softpedia