Duo Security vs KnowBe4: Complete Comparison (2026)
In comparing Duo Security and KnowBe4 in 2026, Duo Security is the stronger choice for organizations wanting easy-to-deploy mfa for all employees due to very easy user experience for mfa. KnowBe4 excels for companies training employees to recognize and avoid phishing attacks with best-in-class phishing simulations. Duo Security offers MFA push notifications, Device trust, SSO starting at $3/user/mo with a free plan. KnowBe4 provides Phishing simulations, Security training, Compliance training from $18/user/yr. For teams prioritizing value, Duo Security delivers a hiltonsoftware Score of 75/100. Duo Security and KnowBe4 compete in the cybersecurity segment of the SaaS market, where cloud-native solutions, API integrations, and workflow automation drive enterprise and SMB adoption. Other leading cybersecurity tools include Okta, 1Password, Cloudflare. Duo Security serves 50K+ orgs users globally (founded 2010) while KnowBe4 reports 65K+ orgs active users (founded 2010).
Duo Security vs KnowBe4 at a Glance
What are the main differences between Duo Security and KnowBe4?
Duo Security and KnowBe4 differ across ease of use, features, value, support, integrations, scalability, and learning curve. Duo Security leads in 5 of 7 categories.
What are the pros and cons of Duo Security vs KnowBe4?
Which is better, Duo Security or KnowBe4?
After evaluating Duo Security and KnowBe4 across features, pricing, integrations, and user satisfaction, Duo Security earns a higher hiltonsoftware Score of 75/100 versus KnowBe4 at 71/100. Duo Security stands out for "very easy user experience for mfa" and "trusted enterprise brand". KnowBe4 delivers competitive advantages in "best-in-class phishing simulations", making KnowBe4 a viable alternative.
On pricing, Duo Security offers a free plan for SMBs and startups. KnowBe4 starts at $18/user/yr with no free tier, but justifies the cost with phishing simulations and security training and enterprise-grade scalability.
Bottom line: Choose Duo Security for organizations wanting easy-to-deploy mfa for all employees. Choose KnowBe4 for companies training employees to recognize and avoid phishing attacks. Both Duo Security and KnowBe4 are established cybersecurity platforms.
Organizations wanting easy-to-deploy MFA for all employees.
Companies training employees to recognize and avoid phishing attacks.
Duo Security vs KnowBe4: Frequently Asked Questions
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Reviewed by Elena Kowalski, Security & Enterprise Editor. Last updated: 2026-04-24. Pricing verified: March 2026.
Read our scoring methodology to understand how the hiltonsoftware Score is calculated.