Cettain Israelis have a habit of exaggerating their own abilities while underestimating their opponent. It was this mindset which led Israel to disaster in the 2006 war. You can pretty much discount anything you hear from right wing Israelis.
Police disperse hundreds in brawl in Kafr Manda, northern Israel (Haaretz)
from the article: Saudis deny stock exchange website infiltrated by Israeli hackers