John Bambenek is the Principal Threat Hunter at Netenrich. He is an internationally known cybersecurity expert, and Lecturer in the Department of Computer Science at the University of Illinois at Urbana-Champaign and a handler with the SANS Internet Storm Center. Bambenek has more than 20 years experience in information security and leads several international investigative efforts tracking cybercriminals, some of which have led to high profile arrests and legal action. He specializes in disruptive activities designed to greatly diminish the effectiveness of online criminal operations. He produces some of the largest bodies of open-source intelligence used by thousands of entities across the world.