Executive SummaryUpdated on Jul 27, 2025
Cisco Duo and Zscaler Zero Trust Exchange Platform are major contenders in the security solutions sector. Cisco Duo seems to have an advantage with its highly valued ease of deployment and responsive customer service.
Features: Cisco Duo offers multi-factor authentication without the need for a smartphone, simplifying access for users who can't or won't use one. It also provides a user-friendly interface with scalability and push notifications. Meanwhile, Zscaler stands out with seamless VPN connectivity, robust cloud security, and CASB functionalities, which enhance internet and private access security.
Room for Improvement: Cisco Duo could improve its integration with third-party applications, refine its user interface, and enhance compatibility with on-premise solutions, as well as addressing concerns regarding telephony credits and password-free logins. Users of Zscaler suggest enhancement in performance in various geographies, more intuitive interfaces, and better support for legacy systems, alongside a need for improved granular control in data protection features.
Ease of Deployment and Customer Service: Cisco Duo is praised for its straightforward deployment across public, hybrid, and on-premises environments. Its customer service is known for being supportive and prompt, backed by Cisco's reputation. Zscaler also offers flexible deployment options but faces criticism for slower customer service response times, influencing user satisfaction negatively.
Pricing and ROI: Cisco Duo is considered reasonably priced with good value, though some suggest more flexibility in its pricing model. It offers a visible ROI through enhanced security and user satisfaction. In contrast, Zscaler is noted to be more expensive, especially for its advanced features, yet it provides value through comprehensive security enhancements and tool integrations. Users report ROI through reduced vulnerabilities, although it comes with a higher upfront cost.
