Cooper is a security researcher and programmer at EFF. He has worked on projects such as Privacy Badger, Canary Watch, Ethersheet, and analysis of state sponsored malware. 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. He also was a co-founder of the Hackbloc hacktivist collective. In his spare time he enjoys playing music and participating in street protests.