Duo Security provides cloud-based two-factor authentication to organizations worldwide. Duo’s technology can be deployed to protect users, data, and applications from breaches, credential theft, and account takeover.

Ann Arbor, US
Size (employees)
631 (est)+4%
Duo Security was founded in 2010 and is headquartered in Ann Arbor, US
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Key People/Management at Duo Security

Dug Song

Dug Song

Co-Founder & CEO
Paul DiMarzo

Paul DiMarzo

Chief Financial Officer
Zack Urlocker

Zack Urlocker

Chief Operating Officer
Chester Kustarz

Chester Kustarz

VP of Engineering
Jon Oberheide

Jon Oberheide

Co-Founder & CTO
Peter Katz

Peter Katz

General Counsel
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Duo Security Office Locations

Duo Security has offices in Charlotte, London, Baltimore, Raleigh and in 13 other locations
Ann Arbor, US (HQ)
200 123 N Ashley St
Austin, US
115 E 5th St
San Mateo, US
489 El Camino Real
London, GB
115 Houndsditch
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Duo Security Financials and Metrics

Summary Metrics

Founding Date


Total Funding

$121.5 m

Latest funding size

$70 m

Time since last funding

6 months ago


Duo Security's latest funding round in October 2017 was reported to be $70 m. In total, Duo Security has raised $121.5 m. Duo Security's latest valuation is reported to be $1.2 b.

Duo Security Financials

Market valuation

1.2 b
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Duo Security Operating Metrics

Y, 2014Y, 2015Y, 2016Feb, 2017Oct, 2017Y, 2017Feb, 2018

Annual Recurring Revenue

$10 m$31 m$73 m$100 m

Authentications per Month

300 m



Paying Customers

8 k10 k10 k
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