The most they can ever do is change the homepages on some websites like HaBima, other than that, they can't do jack. So I guess failure causes the spillover

Two (or more) can play the hacking game. If Iranians are "plaguing" computers here and in occupied Palestine by hacking, well, the imperialists and Zionists started something they can't finish. We are getting what we and the Zionists richly deserve, and will be taught an object lesson.

To play tennis with opponent being a wall ? Of course it is a two way traffic and will remain so.

Israel has the advantage.

And you will know how misplaced your talk-back is.Lack of any disclosure does not mean they don't have problems.There is plenty and plenty more coming.