Choosing between Duo Security and KnowBe4 is a common decision for cybersecurity buyers in 2026. Both Duo Security and KnowBe4 are established players, founded in 2010 and 2010 respectively. Duo Security serves 50K+ orgs users while KnowBe4 has 65K+ orgs users globally. Duo Security differentiates with mfa push notifications and device trust, while KnowBe4 leads with phishing simulations and security training. 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 KnowBe4 across features, pricing, and user satisfaction, Duo Security takes the lead with a score of 92/100 versus KnowBe4's 92/100. Duo Security's key advantages include "very easy user experience for mfa" and "trusted enterprise brand". That said, KnowBe4 has its own strengths — particularly "best-in-class phishing simulations" — 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. KnowBe4 starts at $18/user/yr with no free tier, but often justifies the cost with phishing simulations and security training.
Bottom line: Choose Duo Security if you need organizations wanting easy-to-deploy mfa for all employees. Go with KnowBe4 if your priority is companies training employees to recognize and avoid phishing attacks. 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 KNOWBE4 IF:
Companies training employees to recognize and avoid phishing attacks.
Frequently Asked Questions
Is Duo Security better than KnowBe4 in 2026?
Duo Security scores 92/100 on hiltonsoftware.co compared to KnowBe4's 92/100. Duo Security stands out for "very easy user experience for mfa" and is best for Organizations wanting easy-to-deploy MFA for all employees. KnowBe4 is known for "best-in-class phishing simulations" and suits Companies training employees to recognize and avoid phishing attacks. Your specific workflow and team size should guide the decision.
What is the pricing difference between Duo Security and KnowBe4?
Duo Security offers a free plan while KnowBe4 starts at $18/user/yr, 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. KnowBe4 (founded 2010, 65K+ orgs users) offers Phishing simulations, Security training, Compliance training. The right choice depends on which features matter most to your team.
What are the main differences between Duo Security and KnowBe4?
The key differences come down to focus and approach. Duo Security excels at MFA push notifications, Device trust, SSO, while KnowBe4 focuses on Phishing simulations, Security training, Compliance training. Duo Security's main advantage is "very easy user experience for mfa", though some users note "advanced zero trust features are expensive". KnowBe4's strength is "best-in-class phishing simulations", but "phishing tests can frustrate employees" can be a drawback. Both serve the Cybersecurity market but target different user profiles.
Can I switch from Duo Security to KnowBe4?
Switching between Duo Security and KnowBe4 is possible since both operate in the Cybersecurity space. Before migrating, export your data from Duo Security and check KnowBe4's import capabilities. Key features to verify compatibility: MFA push notifications, Device trust, SSO (Duo Security) vs Phishing simulations, Security training, Compliance training (KnowBe4). Consider running both tools in parallel during a trial period to ensure a smooth transition.
Which is better for small teams: Duo Security or KnowBe4?
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. KnowBe4 (starting at $18/user/yr) may be worth the investment if your team specifically needs Phishing simulations, Security training, Compliance training.