(CNN) -- In the digital age, war isn't contained to the ground.

The Israeli government on Sunday said it has been hit with more than 44 million cyberattacks since it began aerial strikes on Gaza last week. Anonymous, the hacker collective, claimed responsibility for taking down some sites and leaking passwords because of what it calls Israel's "barbaric, brutal and despicable treatment" of Palestinians. "The war is being fought on three fronts," Carmela Avner, Israel's chief information officer, said on Sunday in a press release. "The first is physical, the second is the world of social networks and the third is cyberattacks. [Link]