We are Duo, and we’re here to democratize security. 

We were born from a hacker ethos and a desire to make the Internet a secure place. Our mission is to protect the mission of our customers by making security simple for everyone.

Our team is our secret weapon. We’re a diverse crew of makers and builders, skaters and coders, filmmakers and DJ’s, teachers and students brought together by a shared belief in adding value to the world. That diversity allows us to bring an empathetic approach to solve some of the most complex global business and security challenges faced today. 

Our roots and values were forged in the Midwest. We believe in enabling and empowering people to follow their passion, inside and outside of the office. Change is a constant we anticipate and embrace. These are some of the things that make us unique and drive our team to be the most loved company in security.

Duo is now a part of Cisco.

Duo Security

It's time to move to a more secure form of #authentication. 📱Check out our blog to learn how Duo provides the flexibility you need to transition to stronger #MFA: http://cs.co/9002Tuhqg

Dive into the world of #authentication with J Wolfgang Goerlich, Cisco advisory CISO. 🔐

Check out this ZDNET article to learn 4 tactical steps to boost your defenses and keep the #cyber tricksters at bay: http://cs.co/6042rcfYO

Looking for ways to streamline your #cybersecurity alerts in the new year? Duo Trust Monitor has you covered! 📩 Learn how you can configure Trust Monitor to send #security event notifications straight to your inbox: http://cs.co/9005RzrLh

Are you ready to ditch passwords for #MFA? 

With #hybrid work, securing trusted remote access to your apps, network, and data has never been more important. 🔐 📲

📆 Join us on January 18th for our Cisco Duo Live Demo: http://cs.co/6040Rvhqi

How are you protecting your Cisco #VPN? If you don't have Duo #SSO enabled, you might be missing out on strong, low-friction #cybersecurity! Check out our blog to learn more 👉 http://cs.co/9001RtOG5

Duo Mobile

Trustwave Mobile

IPhone / Mobile Compatible

Viewport Meta

Domain Not Resolving

SSL by Default

HSTS

Mobile Non Scaleable Content

nginx

DNSSEC

Organization Schema

Apache

Owner

Charles Gonzales

Christopher Thompson

James Barclay

Paul DiMarzo

Head of Business Development, MSP

Seth Wolin

VP of WW Inside Sales

Tim McCarrey

Engineering Director

Abdul-Jabbar Shalabi

Director of Commercial Mid-Market Sales, Central/South

Brad Hassack

Sr Director of Product Management, Duo and Zero Trust

Iva Vukelja

Senior Director of Customer Success

John Kelley

Hilarie Koplow-McAdams

Stratton Sclavos

Ron Gill

Dug Song

Karim Faris

Rob Ward

Matt Cohler

Puneet Agarwal

Steve Manzuik

Director of Security Research

Rebecca Lynch

Senior Data Scientist

Kelly Davenport

Manager, Global Knowledge & Communities

Rich Harang

Senior Technical Lead

William Welch

President and Chief Operating Officer

CEO & Co-Founder

Peter Baker

Founding Designer and Senior Director, Brand & Design

Nate Miller

Sr Lead Product Designer

SaaS Acquired Companies With Less Than $1B in Revenue

United States Acquired Companies With Fewer Than 1000 Employees (Top 10K)

Acquired SaaS Companies

Companies With More Than $100M in Revenue (Top 10K)

Duo Security specializes in cloud-based access protection solutions for companies and organizations. They offer remote access technology with multi-factor authentication (MFA), passwordless, and single sign-on (SSO). The company offers access and authentication tools. They serve healthcare, finance, technology, and government sectors.

Venture Round - Duo Security

Lead Edge Capital

Meritech Capital Partners

Series D - Duo Security

The Michigan Economic Development Corporation

Grant - Duo Security

Redpoint

Series C - Duo Security

Google Ventures

Series B - Duo Security

Series A - Duo Security

True Ventures

Seed Round - Duo Security

Ann Arbor

Michigan

United States

North America

MFA providers announce new platforms, contracts, partnerships

Cisco Duo MFA Third-Party Service Provider Breached

Cisco Duo provider breached, SMS MFA logs compromised

Cisco Duo Says Hack at Telephony Supplier Exposed MFA SMS Logs

Duo Security on LinkedIn: Two-Factor Authentication (2FA) Evaluation Guide

Cisco's Duo Security suffers major authentication outage

Mergers & Money: VC-Backed Cyber Companies Bought Up At Record Pace

India

Asia

Kenya

Africa

Canada

United Kingdom

Europe

HTML5

Google Fonts

Google Tag Manager

Wistia

Modernizr

Adobe Flash

Google Analytics

Fastly

jQuery

F5 NGINX

Provides identity access management solutions to enhance security and access control.

CyberArk Identity

Offers identity access management solutions for enhanced security and access control.

JumpCloud

Provides identity access management solutions for secure access control.

Entrust Identity as a Service

Enables organizations to manage and secure different applications across hybrid environments.

Authomize

Offers identity and access management solutions for secure authentication and access control.

FusionAuth

Provides identity verification and authentication solutions for enhanced security.

Prove Identity

Cisco Duo is a leading provider of cloud-based identity security solutions, offering multi-factor authentication, adaptive access, single sign-on, and zero trust access tools to prevent unauthorized access and enhance data security.

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