Choosing between Duo Security and Qualys is a common decision for cybersecurity buyers in 2026. Qualys has been in the market since 1999, giving it a 11-year head start over Duo Security (founded 2010). Duo Security serves 50K+ orgs users while Qualys has 10K+ orgs users globally. Duo Security differentiates with mfa push notifications and device trust, while Qualys leads with vulnerability scanning and compliance monitoring. In this head-to-head comparison, Duo Security earns a higher hiltonsoftware.co score of 92/100 — but the right choice depends on your specific needs, budget, and team size.
AI Verdict
After comparing Duo Security and Qualys across features, pricing, and user satisfaction, Duo Security takes the lead with a score of 92/100 versus Qualys's 86/100. Duo Security's key advantages include "very easy user experience for mfa" and "trusted enterprise brand". That said, Qualys has its own strengths — particularly "comprehensive vulnerability management" — making it a viable alternative for specific use cases.
On pricing, there's a clear difference: Duo Security offers a free plan, making it more accessible for individuals and small teams exploring cybersecurity solutions. Qualys starts at Custom pricing with no free tier, but often justifies the cost with vulnerability scanning and compliance monitoring.
Bottom line: Choose Duo Security if you need organizations wanting easy-to-deploy mfa for all employees. Go with Qualys if your priority is enterprise security teams needing comprehensive vulnerability and compliance scanning. Both are strong cybersecurity tools — we recommend trying the free plan of each before committing.
CHOOSE DUO SECURITY IF:
Organizations wanting easy-to-deploy MFA for all employees.
CHOOSE QUALYS IF:
Enterprise security teams needing comprehensive vulnerability and compliance scanning.
Frequently Asked Questions
Is Duo Security better than Qualys in 2026?
Duo Security scores 92/100 on hiltonsoftware.co compared to Qualys's 86/100. Duo Security stands out for "very easy user experience for mfa" and is best for Organizations wanting easy-to-deploy MFA for all employees. Qualys is known for "comprehensive vulnerability management" and suits Enterprise security teams needing comprehensive vulnerability and compliance scanning. Your specific workflow and team size should guide the decision.
What is the pricing difference between Duo Security and Qualys?
Duo Security offers a free plan while Qualys starts at Custom pricing, making Duo Security the more budget-friendly option. When comparing value, consider that Duo Security (founded 2010, 50K+ orgs users) includes features like MFA push notifications, Device trust, SSO. Qualys (founded 1999, 10K+ orgs users) offers Vulnerability scanning, Compliance monitoring, Asset inventory. The right choice depends on which features matter most to your team.
What are the main differences between Duo Security and Qualys?
The key differences come down to focus and approach. Duo Security excels at MFA push notifications, Device trust, SSO, while Qualys focuses on Vulnerability scanning, Compliance monitoring, Asset inventory. Duo Security's main advantage is "very easy user experience for mfa", though some users note "advanced zero trust features are expensive". Qualys's strength is "comprehensive vulnerability management", but "complex and expensive" can be a drawback. Both serve the Cybersecurity market but target different user profiles.
Can I switch from Duo Security to Qualys?
Switching between Duo Security and Qualys is possible since both operate in the Cybersecurity space. Before migrating, export your data from Duo Security and check Qualys's import capabilities. Key features to verify compatibility: MFA push notifications, Device trust, SSO (Duo Security) vs Vulnerability scanning, Compliance monitoring, Asset inventory (Qualys). Consider running both tools in parallel during a trial period to ensure a smooth transition.
Which is better for small teams: Duo Security or Qualys?
For small teams, Duo Security has an advantage with its free plan, letting you get started without financial commitment. Duo Security is best for Organizations wanting easy-to-deploy MFA for all employees. Qualys (starting at Custom pricing) may be worth the investment if your team specifically needs Vulnerability scanning, Compliance monitoring, Asset inventory.