Recent changes in the world order have made it easier for terrorists to obtain materials associated with weapons of mass destruction. As the use of such materials would help the terrorists achieve their goals, it would be logical for them to conduct such terrorism. There have been a number of attempts made at terrorism with weapons of mass destruction, but thankfully the results have been generally unsuccessful. However, that could change in the future, so states need to be prepare to counter and recover from such acts. This article discusses this threats and the need for a comprehensive strategy to deal with it.