John Kristoff

John Kristoff is a researcher with Team Cymru, an Internet security research organization. John has worked at UltraDNS/Neustar as a network architect and held network engineering positions at both Northwestern University and DePaul University in Chicago. John remains affiliated with Northwestern and DePaul as a student, collaborator and instructor. John has been an active participant in a number of networking and security communities including NANOG, IETF, ICANN, nsp-security, FIRST, REN-ISAC and DNS-OARC.