Most of the sites on the list are Israeli. I don't think that means Israelis are ignorant of security. They make the same mistakes configuring servers that everyone else does. But they are being targetted specifically because of the Palestinian issue.
Any site hosting a Jewish or Jewish-related site appears to be a target.
Yes, we know that Israeli does not necessarily mean Jewish. The Israelis are going to go after the crackers, though, and I don't envy the twerps. It features smutty innuendo, countless undeveloped characters and dialogue so wooden that the screenwriters must have worn goggles and worked with a router. Just in talking up this book I have found that my enthusiasm for one essay trips over into urging another.