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 ratingBMore
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
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

Embed Graph

Duo Security Blogs

Future Forward: Cybersecurity 2021 Predictions

It’s 2021. Where is my encryption-breaking dolphin?I admit it. I watched Johnny Mnemonic. It is set in 2021, after all. I wager, there was no better way to prepare for my predictions blog. There will be spoilers ahead, both for the year to come and for the cyberpunk cult classic.Any Device, Any Loca…

Cloud and Remote App Access Climbs Skyward

The 2020 Duo Trusted Access Report shows a significant increase in year over year growth in remote access and the use of cloud applications. Cloud applications are more flexible, scalable and accessible remotely than typical on-premises applications. Securing the cloud was once a barrier to entry, b…

How Are Companies Using Device Policies to Thwart Cyber Threats?

Companies used to rely solely on corporate networks, MDM (mobile device management) and VPNs blocking unrecognized devices as key cybersecurity protection measures. According to the 2020 Duo Trusted Access Report, companies are now ensuring endpoint security is up to snuff through granular policy co…

A 5-Step Guide to Implementing Zero Trust in the Workforce

As the cybersecurity industry continues to pivot towards a zero trust model to ensure only trusted access is granted, companies are looking for guidance on how to adopt zero trust principles into their security practices.The zero trust model rose out of changes brought by mobility, consumerization o…

My 2020 Predictions Revisited: What Worked, What Didn't

“Turns out, people aren’t all that good at predictions,” I wrote in my 2020 article. How true this turned out to be. Few could foresee the turns 2020 would take. Yet, some of what we were looking for did come to pass. Here’s a look back at those predictions.Cyber Crime in 2020I predicted, with money…

Farewell Flash, Forevermore

Dear Flash,You helped us get our coding legs with Dreamweaver on sites like MySpace and the early web, but you were easily overtaken and hackable. The security and performance holes in your programming famously had Steve Jobs ban you from hardware running the iOS operating systems in his open letter…
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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, Jon Oberheide and Brian Lindauer.

  • How many employees does Duo Security have?

    Duo Security has 709 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.