Richard Harang is a Principal Data Scientist at Sophos with over seven years of research experience at the intersection of computer security, machine learning, and privacy. Prior to joining Sophos, he served as a scientist at the U.S. Army Research Laboratory, where he led the research group investigating the applications of machine learning and statistical analysis to problems in network security. He received his PhD in Statistics from the University of California, Santa Barbara. Research interests include randomized methods in machine learning, adversarial machine learning, and ways to use machine learning to support human analysis.