Computer hackers likely working for the Syrian regime and Hezbollah have managed to penetrate the computers of Israeli and American activists working with the Syrian opposition, exposing sensitive contacts between the sides. Al-Akhbar, a newspaper serving as Hezbollah’s mouthpiece in Lebanon, published a series of articles over the weekend purporting to divulge correspondence between Mendi Safadi, a Druze Israeli and former political adviser to Deputy Regional Cooperation Minister Ayoub Kara, with members of the Syrian opposition around the world, taken from taken from Safadi’s computer. The article also contains screenshots of word documents and text message exchanges saved on Safadi’s...