According to them, the hack seems to be a four month job and is an espionage campaign that skillfully packages existing attack software with trick emails.
The hack seems to be a job of Arabic-speakimg hackers as researchers at Blue Coat have found that programming tools used to hack the network had a default Arabic setting. They suspect the hackers might be working on a small budget as most of their code has been sourced from previous existing versions of hacking software.
Israeli defense minstry spokerperson said that Military officials were "not aware of hacking on IDF operational networks."
"Not all targeted attackers need advanced tools," Blue Coat wrote in a draft paper shared with Reuters. "As regional conflicts continue, cyber threats from groups of various skill levels will also accompany the conventional armed conflicts."