Israeli security apparatus along with IDF for most part always knew & know today what they are doing, especially when it regards the security measures. What did change, especially in case like this one, is that Israeli current leadrship troika does not have a clue, or to be precise will `turn away` & sometimes even jeopardize security concernes for political gains & agenda. Combined with silent but complete loss of respect on military & security matters from the IDF high command via mostly Lebanon & few other occasions, is leading to occasional such nuances. Get read of the troika & fix the problem (& some other problems along the way), but that is for the `need the leaders` site.
Russian PM warns of "new world war" if Syria negotiations fail (Reuters)
from the article: A tiny, but important, problem