Weapons systems are refined most quickly in the crucible of conflict. It's no surprise, therefore, that digital techniques are evolving fast in the Middle East, hinting at the possibilities for when cyberwar moves beyond propaganda and disinformation to something a little ... hotter. Overnight Australian time, someone broke into the Israel Defence Forces' official Twitter account, @IDFSpokesperson, and issued a fake alert: "#WARNING: possible nuclear leak after 2 rockets hit Dimona nuclear facility."