Duo Security

Duo Security is a company that provides security systems as cloud-based two-factor authentication to organizations. Its technology can be deployed to protect users, data, and applications from breaches, credential theft, and account takeover.

Employee Rating

Parent CompanyCisco
HQAnn Arbor, MI, US
Cybersecurity ratingAMore
Duo Security was founded in 2010 and is headquartered in Ann Arbor, MI, US

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Key People/Management at Duo Security

Dug Song

Dug Song

VP and General Manager, Cisco Co-Founder, Duo Security
Brian Verenkoff

Brian Verenkoff

Head of Technical Solutions Architects
Jon Oberheide

Jon Oberheide

Product CTO, Cisco Co-Founder and CTO, Duo Security
Brian Lindauer

Brian Lindauer

Director of Data Science and Engineering
Wendy Nather

Wendy Nather

Head of Advisory CISOs
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Duo Security Office Locations

Duo Security has offices in Ann Arbor, Austin, Detroit, San Francisco and in 4 other locations
Ann Arbor, MI, US (HQ)
123 N Ashley St
Austin, TX, US
804 Congress Ave
Detroit, MI, US
1420 Washington Blvd
San Francisco, CA, US
444 Townsend Street
London, GB
115 Houndsditch
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Duo Security Financials and Metrics

Summary Metrics

Founding Date


Total Funding

$121.5 m


In total, Duo Security had raised $121.5 m. Duo Security is a subsidiary of Cisco

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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Duo Security Cybersecurity Score

Cybersecurity ratingPremium dataset



SecurityScorecard logo

Duo Security Online and Social Media Presence

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Duo Security Company Culture

  • Overall Culture



  • CEO Rating



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Duo Security Blogs

How Cisco Rolled Out Zero Trust With Duo to 100,000+ Users

There’s nothing like being a part of a team that has a goal of rolling out zero trust to 100,000 users in less than six months. If you’re thinking to yourself...that’s fast! You are 100% correct! It was very fast, incredibly efficient, and highly effective. Cisco IT recently rolled out a significant…

Duo Care's Premium Customer Care Provides Extra Layers of Support

The Duo Care premium support program was created because we really do care — about your Duo rollout, about your end-users' experience, and about your continued satisfaction with us as a trusted partner. With Duo Care, you'll work with a team of Duo experts who will guide you through the life of your…

Duo Network Gateway – Reduce VPN Dependency Using Zero Trust

It’s Friday, you just got paid and you’re getting ready to take off for the weekend but you want to check your pay stub to verify your taxes so you hit your employee records portal. Those wonderful words of ‘Denied Access’ appear in your browser; you need to connect to the corporate VPN to access yo…

Duo's Passwordless Authentication is Coming!

And lo! Passwords have been with us since the early days. When the number of computers on the internet could be counted with two hands, there was the password. When we dialed up for the first time, we used a password. We had a password for Geocities and MySpace. The mainframe came and went, the flop…

(VIDEO) Getting Started With Duo - Step 5: Adding Users

At Duo, we combine security expertise with a user-centered philosophy to provide two-factor authentication, endpoint remediation and secure single sign-on tools for the modern era. It’s so simple and effective, you get the freedom to focus on your mission and leave protecting it to us.Duo is built o…

Duo Celebrates Women's History Month

A Women's History CelebrationMarch 1st kicked off the celebration of one half of the population, women! Women have come a long baby, and we aren't finished yet. There are new glass ceilings to break, and equality is still not exactly equal, but throughout history there have been significant contribu…
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Duo Security Frequently Asked Questions

  • When was Duo Security founded?

    Duo Security was founded in 2010.

  • Who are Duo Security key executives?

    Duo Security's key executives are Dug Song, Brian Verenkoff and Jon Oberheide.

  • How many employees does Duo Security have?

    Duo Security has 683 employees.

  • Who are Duo Security competitors?

    Competitors of Duo Security include OneLogin, Cybereason and Feitian.

  • Where is Duo Security headquarters?

    Duo Security headquarters is located at 123 N Ashley St, Ann Arbor.

  • Where are Duo Security offices?

    Duo Security has offices in Ann Arbor, Austin, Detroit, San Francisco and in 4 other locations.

  • How many offices does Duo Security have?

    Duo Security has 8 offices.