Both sides using the social network to offer updates on new flare-up in violence along the Israel-Gaza border.
The hacking collective knocks the Bank of Jerusalem offline and attacks the site of the Ministry of Foreign Affairs. Anonymous claims nearly 700 sites have been affected.
The IDF has created its own YouTube channel carrying videos of its air assault against Hamas militants, and is using Twitter to spread its message.
More militaries and armed groups are using social media as a weapon of war -- but when ground skirmishes are mirrored by cyber-social battles, managing the message can get messy.
The hacking collective's latest campaign against Israel escalates, with defacements of Microsoft Israel Web sites and the publication of alleged donors to a pro-Israel group.
Government says its Web sites have experienced 44 million hacking attempts but only one successful breach.
Specialists tapped by World Press Photo debunk an analysis that concluded that Paul Hansen's photo of children killed in Gaza was a composite of multiple images.
The IAEA confirms its servers were breached and a hacking group claims responsibility demanding an investigation into Israel's alleged nuclear proliferation program.
Israeli official cites system error, not hackers, as the source of the problem Sunday.