Multi-factor authentication and Zero Trust access security by Cisco.
Duo Security is a cybersecurity platform founded in 2010 with a hiltonsoftware Score of 75/100. Duo Security pricing starts at $3/user/mo/month with a free plan available. Duo Security serves 50K+ orgs users and competes with Okta, 1Password, and Cloudflare in the cybersecurity market. Key Duo Security features include MFA push notifications, Device trust, and SSO. hiltonsoftware.co rates Duo Security 4.6/5 based on user ratings (40%), feature depth (25%), value for money (20%), market presence (10%), and growth trajectory (5%).
Organizations wanting easy-to-deploy MFA for all employees.
Reviewed by Elena Kowalski, Security & Enterprise Editor. Last updated: March 2026. Pricing verified. Methodology