Duo Security is #17 in Top 10 Identity Management platforms

Duo Security
Two-factor authentication done right. Duo Security lets your users use their mobile phones to secure their logins, protecting your company from account takeover. Duo’s solution is cloud-based, which means there's no software to install, and no server to set up. Our patented technology and drop-in integrations enable you to seamlessly integrate Duo into your existing application login workflow. Owned by Cisco.

Duo Security video

Positions in ratings

#17 in Top 10 Identity Management platforms


The best alternatives to Duo Security are: Okta, Google Identity Platform, Azure Active Directory, Ping Identity

Latest news about Duo Security

2018. Cisco is buying 2-factor authentication provider Duo Security

Cisco has announced its acquisition of security firm Duo Security for a sum of $2.35 billion. This acquisition aligns well with Cisco's objectives, as Duo Security offers a security solution that enables employees to utilize their own devices for adaptive authentication. Instead of relying on traditional key fobs with security codes, Duo's technology ensures secure authentication on any device. Within the Cisco ecosystem, this solution seamlessly integrates and provides a natural fit for CTOs seeking robust two-factor authentication measures. In recent years, Cisco has strategically acquired several notable companies including OpenDNS, Sourcefire, Cloudlock, and now Duo Security.

2017. Duo Security raised $70 million

Duo Security has recently secured $70 million in Series D funding, valuing the Michigan-based SaaS company at $1.17 billion. With a customer base of over 10,000 companies, Duo primarily focuses on providing a two-factor authentication app as its core product. Additionally, the company offers a range of other security products aimed at safeguarding users and their devices. Notably, Duo's solutions are cloud-based, eliminating the need for software installation or server setup. The injection of new funding will expedite the company's technological advancements and operational growth, while also facilitating the establishment of fresh partnerships to further enhance security measures.

2015. Duo Security unveiled new service to protect enterprises against data breaches

Duo Security, the startup specializing in two-factor authentication, has introduced a new product called Duo Platform. This innovative solution empowers IT teams to establish policies and automate network enforcement, while also monitoring the security profiles of devices attempting to access their systems. Leveraging its previous expertise, Duo's Platform product extends its capabilities further into customer networks. It enables IT administrators to define more precise rules regarding application access and the associated conditions. Moreover, it offers real-time insights into devices seeking to connect to applications and can proactively prevent data breaches by identifying access-related security threats as they occur.

2014. Two-Factor authentication service Duo raises $12 million

Duo Security, the provider of a cloud service that offers secure and user-friendly two-factor authentication technology, has successfully secured $12 million in Series B financing. Duo's authentication technology enables users to easily authorize a mobile device and authenticate themselves with a single tap through push notification. While Duo serves as a significant distinguishing factor for the company, it also extends support to more conventional forms of two-factor authentication, such as hardware-based tokens and SMS passcodes. Thanks to its extensive compatibility with various applications and its adaptability for enterprise deployment, Duo Security has experienced rapid growth, currently catering to over 5,000 enterprise customers. Among these customers are renowned names in the tech industry, including Facebook, Etsy, Box, Yelp, and Threadless.