2026-02: The Split: How Duo Security went Zero to $1B ARR in Ann Arbor
2025-10: Crain's Detroit: Historic Detroit hotel property sells to Dug Song, other investors
2025-09: Crain's Detroit: Dug Song, Detroit startup founders call for reinvestment to maintain momentum
2025-08: Crain's Detroit: Dug Song, other investors buy a prominent Detroit building
2025-07: Outsider, Inc: From Hacker to Security Pioneer & Community Leader in Michigan w/ Dug Song
2025-07: Crain's Detroit: Dug Song-backed software startup moves to Detroit with plans to triple its staff
2024-12: Detroit News: From Mackinac to Muscat: Michigan leaders make historic visit to Middle East
2024-06: Crain’s Detroit: Song Foundation plans Detroit center to support underserved tech entrepreneurs
2024-03: MLive: Renovation of historic Ann Arbor-area farmhouse could create home for Black history museum
2023-12: Inside Philanthropy: Meet the Song Foundation: A Michigan Take on Silicon Valley Philanthropy
2021-01: Hour Detroit: The Co-founder of Duo on Building His Business in Michigan
2020-04: MLive: Duo Security founder donates $1M to Washtenaw County small business fund
2020-04: MLive: How Ann Arbor’s Duo Security went from a two-man operation to a $2.35 billion company
2020-02: Dug Song sounds off on policy issues facing state of Michigan
2020-01: Cyberscoop: Duo CEO Dug Song: We have to make security simple
2019-10: Middle Market Growth: Duo Security Founder Dug Song on Building a Unicorn
2019-09: For You Leaders: Dug Song Part 1: A Different Way to Scale to $2.35b: How Duo Security Did It
2019-03: Barron’s: Michigan’s DNA Shaped a Populist Security Start-Up
2018-12: Xconomy: After $2B+ Cisco Buyout, Dug Song Reflects on Duo Security’s Journey
2018-09: Concentrate: What does Duo Security’s sale mean for the Ann Arbor area and its tech industry?
2018-08: Detroit Free Press: Ann Arbor startup was just sold for $2B: What it teaches us
2018-08: Crain’s Detroit: Duo Security’s Dug Song wants to ‘double down’ on local ties, regionalism
2018-08: New York Times: Cisco’s Duo Acquisition Is Part of an Industry Push to Secure the Cloud
2018-08: TechCrunch: Cisco is buying Duo Security for $2.35B in cash
2018-08: Business Insider: Why Cisco Paid $2.35 Billion for Unicorn Startup Duo Security
2017-07: Growth Business: Serial cyber security entrepreneur Dug Song on building an ethical business
2017-04: CNBC: How a high schooler hacked into a security company and ended up with a job
2016-11: Detroit Free Press: RTA millage supporters get out the vote in Ferndale
2014-03: Reuters: Elite security posse fostered founders of WhatsApp, Napster