Cooper is a Senior Security Researcher at the EFF Threat Lab. He has worked on projects such as Privacy Badger, Canary Watch, and analysis of state sponsored malware, IMSI catchers, and other digital attacks on activists, journalists, and human rights defenders. He has also performed security trainings for activists, non profit workers and ordinary folks around the world. He previously worked building websites for non-profits, such as Greenpeace, Adbusters, and the Chelsea Manning Support Network.