sentences:  Since then, it has been becoming increasingly popular in the North America, Western Europe and Israel.These are the countries which have the greatest threat to Islamic terrorism and its aforementioned digital version.Around the time of the 2008 Summer Olympics torch relay, which was marred by unrest in Tibet, Chinese hackers claim to have hacked the websites of CNN (accused of selective reporting on the 2008 Lhasa riots) and Carrefour (a French shopping chain, allegedly supporting Tibetan independence), while websites and forums gave tutorials on how to launch a DDoS attack specifically on the CNN website.