From an interview with Marcus Carey & Jennifer Jin for Tribe of Hackers , 2018: Dug Song is the co-founder and CEO of Duo Security, the leading provider of unified access security and multi-factor authentication delivered through the cloud. Duo protects more than 12,000 customers globally, including Dresser-Rand, Etsy, Facebook, K-Swiss, Random House, Yelp, Zillow, Paramount Pictures, and more.. Founded in Michigan, Duo has offices in Ann Arbor and Detroit, as well as growing hubs in Austin, Texas; San Mateo, Calif., and London. Prior to launching Duo, Dug spent seven years as founding Chief Security Architect at Arbor Networks, protecting 80 percent of the world’s Internet service providers, and helping to grow the company to $120M+ annual revenue before its acquisition by Danaher. Dug also built the first commercial network anomaly detection system, acquired by Check Point Software Technologies. Dug's contributions to the security community include popular projects on open s