Duo Freeper month
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Start here for the decision-making essentials: what Duo Security does, who it is for, how it is accessed, and the first-party sources behind this profile.
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Cisco Duo is a cloud-delivered identity security platform offering phishing-resistant multi-factor authentication, single sign-on, device trust, and identity threat detection. Founded in 2010, it secures access to applications for over 40,000 customers across Windows, macOS, iOS, Android, and Linux.
Read-only public captures of Duo Security’s homepage and verified pricing page. Screenshots are dated, never live embeds, and open full-screen.
Short answers to the questions buyers and builders commonly ask about Duo Security. Each answer cites the shared ledger below, where every source is listed once.
Cloud-delivered identity security including phishing-resistant multi-factor authentication · Verifies every device before granting access to corporate applications · Delivers device visibility, device health, and continuous verification of endpoint trust · Enforces adaptive security policies and blocks threats before they reach the network
"description":"Cisco Duo provides cloud-delivered identity security, including phishing-resistant multi-factor authentication (MFA), single sign-on (SSO), device trust, and identity threat detection capabilities."
Over 40,000 customers trust Duo for identity and access protection
That includes over 40,000 customers who trust us every day.
Helps stop identity-based attacks and identity-based threats · Protects organizations from phishing, ransomware, and malware · Federal agencies requiring FedRAMP High (IL4) compliant authentication · Education institutions including universities and K-12 districts
From MFA to device trust, we help stop identity-based attacks.
Telephony (phone calls/SMS messaging) is not included in the free trial
Telephony is not included in your free trial.
30-day free trial · Duo Free plan available for up to 10 users at no cost
When your 30-day trial ends, your account switches to the Duo Free plan automatically.
Duo APIs give administrators visibility into users, devices, and apps
Duo APIs give admins visibility into users, devices, and apps.
This profile connects the jobs Duo Security is described as handling with its delivery model, access options and the subjects used to match it to related products in this directory.
Each fact points to a recorded source, making it easy to distinguish verified product information from claims that need checking.
HTTP 200 verified twice
IAM & MFA Identity Security for Business, Humans, AI | Cisco Duo
Founded in 2010 · Cisco Duo provides cloud-delivered identity security · Includes phishing-resistant multi-factor authentication (MFA)
Founded in 2010
Cloud-delivered identity security including phishing-resistant multi-factor authentication (MFA), single sign-on (SSO), device trust, and identity threat detection
SecurityApplication (Multi-Factor Authentication, Single Sign-On, Device Trust, Identity Management)
Windows, macOS, iOS, Android, Linux, Cloud-based
Verifies every device before granting access to corporate applications
Delivers device visibility, device health, and continuous verification of endpoint trust
Enforces adaptive security policies and blocks threats before they reach the network
Multi-factor authentication (MFA) and secure access solutions
Includes SSO and identity intelligence tools alongside MFA
A concise view of the jobs, capabilities and integrations described in the recorded product sources.
Documented product formats, platforms and official distribution destinations. Availability can vary by region and plan.
A concise history of software releases and material product changes. Events appear only when a dated source supports what changed.
This profile is being checked for dated releases and material product changes. Nothing appears here until the exact date and event can be verified from a recorded source.
Facts, answers, structured details, milestones and primary resource links cite this shared ledger. Each external page appears once; release tags from the same GitHub project are grouped under one release history.
These tools share a workflow, capability or audience with Duo Security. They may complement it rather than replace it, and are not presented as integrations or endorsements.
Cisco Identity Intelligence for identifying and prioritizing security posture improvements 24/7
Helps stop identity-based attacks and identity-based threats
Protects organizations from phishing, ransomware, and malware
Integrates with any application, regardless of platform or technology base
Seamlessly integrates with major remote access gateway and VPN providers, including ADFS and Azure
Cisco (brand: Cisco Duo; product: Multi-factor authentication and secure access solutions)
Multi-factor authentication (MFA) requiring two or more ways to verify identity at login
Phishing-resistant MFA using FIDO2, PIV/CAC, and passkeys
VPN-less remote access through the Duo Network Gateway
Adaptive access policies
AI-powered threat detection and risk-based authentication
Duo Agentic IAM to discover, govern, and secure AI agents
Federal agencies requiring FedRAMP High (IL4) compliant authentication
Education institutions including universities and K-12 districts
Phishing-resistant MFA for Salesforce privileged users (effective July 2026)
SAML, OAuth, and OIDC authentication protocols
PlainID IDP Authorizer program for dynamic authorization and token enrichment in Duo SSO flows
Cloud-based mobile authentication app with push-based approvals
Security-first IAM with phishing-resistant MFA, SSO, complete passwordless authentication, Duo Directory, AI Assistant, and Trusted Endpoints
Phishing-resistant MFA via Proximity Verification without extra hardware, stopping stolen-credential and MFA-bypass attacks
Passwordless login using Duo Mobile or FIDO2 authenticators
Cisco AI Assistant for Duo interprets natural-language prompts to troubleshoot user access and surface documentation answers
Multi-factor authentication, single sign-on, and secure access for SaaS, on-premises, and VPN applications
Over 40,000 customers trust Duo for identity and access protection
Cloud, on-premises, and hybrid applications, including SAML-authenticated services and Cisco AnyConnect VPN
Duo APIs give administrators visibility into users, devices, and apps
Active Directory sync, bulk enrollment, and self-enrollment for fast onboarding
Device trust enforces access from approved managed, unmanaged, or BYOD devices
