The new millennium has had a major impact, the world in which we live is changing. The information society is becoming a global society, the growth of electronic businesses is developing new industrials markets on a global basis. But the information society is built on a very fragile framework—the Internet. The Internet is at risk from attacks, historically it was sole hackers, but we are now seeing the development of cyber terrorist organisations. This chapter will explore the ways in which terrorist organizations use the Internet and builds upon a number of case studies focusing upon the middle east.