Yazid Sufaat (born 20 January 1964), also known as Yazud bin Sufaat or Yazid Shufaat, is a Malaysian member of the extremist Islamist terrorist organisation Jemaah Islamiyah from shortly after its foundation in 1993 until his arrest by Malaysian authorities in December 2001. His speciality had been to develop anthrax as a weapon of bio-terrorism on behalf of the terror group al-Qaeda. Released in 2008, he was again detained on terrorist charges in Malaysia in 2013.