About Duo Security

Two-factor authentication made easy.

Duo Security's hosted two-factor authentication service brings strong, scalable security to organizations of any size. Duo's unique, high-availability architecture provides centralized management, self-service enrollment, and interactive secondary login through an intuitive web interface, eliminating the high costs, complexity, and confusion associated with traditional two-factor systems. Every day, over 1,000 organizations in 80+ countries around the world rely on Duo for their security.

Duo Security is based in Ann Arbor, Michigan, and is a privately held company whose investors include Google Ventures, True Ventures, Resonant Venture Partners, and Radar Partners. Read more about Duo's investors.

Press & Recognition

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Dug Song – CEO

Dug Song - CEO

Dug has a history of leading successful products and companies to solve pressing security problems. Dug spent 7 years as founding Chief Security Architect at Arbor Networks, protecting 80% of the world's Internet service providers, and growing to $120M+ annual revenue before its acquisition by Danaher.

Before Arbor, Dug built the first commercial network anomaly detection system (acquired by NFR / Check Point), and managed security in the world's largest production Kerberos environment (University of Michigan).

Dug's contributions to the security community include popular open source security (OpenSSH, libdnet, dsniff), distributed filesystem (NFSv4), and operating system (OpenBSD) projects, and co-founding the USENIX Workshop On Offensive Technologies (WOOT).

Jon Oberheide, Ph.D. – CTO

Jon Oberheide, Ph.D. - CTO

Jon is a well-known security expert and researcher. While his research interests span across the security domain, he has deep expertise in mobile security, cloud security, and malware analysis. Jon attended the University of Michigan for a BS, MS, and PhD in Computer Science, and has held positions at Merit Network and Arbor Networks.

Jon frequently speaks at leading security conferences, both in academia (USENIX Security, WOOT, HotSec) and in the industry (Black Hat, CanSecWest, SOURCE Boston, NANOG, Infiltrate).

Jon was recently named one of Forbes’ “30 under 30” for his Android security research.

Our Investors

True Ventures

True Ventures is a Silicon Valley-based venture capital firm supporting great people in great markets since 2006. Started by entrepreneurs for entrepreneurs, the team provides funding, resources, and counsel to early stage, high tech startups and their visionary founders. Their portfolio includes investments in WordPress, BrightRoll, Fitbit, Bandcamp, Milo, Puppet Labs, Urban Airship, and StockTwits. Learn more at trueventures.com.

Google Ventures

Google Ventures is the venture capital arm of Google Inc. We seek to discover and help develop great companies, and believe in the power of entrepreneurs to do amazing things. Our investments range from seed to late stage, across a broad range of industries, including consumer Internet, digital media, software, hardware, and biotechnology. We embrace the challenge of helping young companies grow from the proverbial garage to global relevance. Learn more at googleventures.com.

Resonant Venture Partners

Resonant Venture Partners is an emerging venture capital firm based in Ann Arbor, Michigan. Founded in 2010, Resonant makes seed stage investments in companies developing cloud infrastructure, software and services. The Resonant team is comprised of founders, engineers, operators and investors. Entrepreneurs in their own right, the managing directors partner with portfolio companies through challenging product, market and operational issues at the earliest phases. Learn more at resonantvc.com.

Radar Partners

Radar Partners is a professional investment firm focused on both private and public equity investing. The firm’s four partners have decades of combined experience in business creation, executive leadership and capital markets management. In its venture portfolio, Radar looks to partner with great entrepreneurs focused on market changing opportunities in mobile ecosystems, cloud-based services, Internet infrastructure and consumer lifestyle services. Recent investments include Dasient, Puppet, Sencha and Stella and Dot.