# Duo Security

> Security-first IAM that attackers hate and users love

- **Canonical URI:** https://www.vioscale.ai/software/duo-security
- **Category:** IAM SSO
- **Homepage:** https://duo.com
- **Also known as:** duo-security
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-03T11:50:23.267Z

## Vioscale score

**62.9 / 100**, confidence 62% (medium).

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| price_level | 80 | 0.12 | 9.6 | ✓ |
| reliability | 99.5 | 0.16 | 15.9 | ✓ |
| integrations | 13.7 | 0.2 | 2.7 | ✓ |
| security_posture | 40 | 0.24 | 9.6 | ✓ |
| pricing_transparency | 100 | 0.2 | 20 | ✓ |

## Pricing

_As of 2026-08-03, [verify at source](https://duo.com). Independently observed._

from $3/mo · Subscription · Free tier · 30-day trial

> From free (up to 10 users) to $9/user/month. 30-day free trial available.

| Plan | Price | Free | Commitment |
|---|---|:--:|---|
| Free | Free | ✓ | - |
| Essentials | $3/user/month | - | - |
| Advantage | $6/user/month | - | - |
| Premier | $9/user/month | - | - |

### Free

For teams of 10 or fewer users

**Included limits:** users: up to 10

- Strong MFA
- Seamless integrations
- Free authenticator app

### Essentials

Essential authentication for broader organizational security

- Duo Directory
- Phishing-resistant MFA
- Complete passwordless authentication
- Single sign-on
- Trusted Endpoints
- Unlimited applications

### Advantage

Comprehensive control over user and device security

- Cisco Identity Intelligence
- Duo Passport
- Session theft protection
- Active Directory Defense
- Risk-Based Authentication

### Premier

The most security coverage for any size organization

- Zero Trust access
- VPN-less remote access
- Complete device trust with endpoint protection

## About

Identity and access management solution offering multi-factor authentication, single sign-on, phishing-resistant authentication, device trust, and identity intelligence.

_Independently observed._

## Platform & deployment

- **Platforms:** iOS, macOS, Linux, Android, Windows
- **Deployment:** Cloud / SaaS, On-premise

## Integrations (2)

_Independently observed._

- Azure
- ADFS

## Capabilities

_The capabilities that matter for IAM SSO. "-" = undocumented, not absent._

| Capability | Supported |
|---|:--:|
| **Authentication** | |
| SSO (SAML + OIDC) | ✓ |
| MFA / passwordless / FIDO2 | ✓ |
| Adaptive / risk-based auth | ✓ |
| **Provisioning** | |
| SCIM lifecycle provisioning | - |
| Directory service / AD bridge | ✓ |
| **Governance** | |
| Identity governance (access reviews) | ✓ |
| Privileged access management | - |
| **Integration** | |
| Integration catalog size | Unlimited applications |
| **Standards** | |
| Standards breadth | PCI DSS, ISO 27001, NIST 800 |
| **Deployment** | |
| Deployment | Hybrid |
| **Reliability** | |
| Uptime SLA | 99.99% |

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### integrations

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| integrations.count | 2 | [link](https://duo.com) | 2026-08-03 | 60% (medium) |

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.free_tier | yes | [link](https://duo.com) | 2026-08-03 | 60% (medium) |
| pricing.model | commercial | [link](https://duo.com) | 2026-08-03 | 70% (medium) |
| pricing.price_level | low | [link](https://duo.com) | 2026-08-03 | 60% (medium) |
| pricing.starting_gbp | 3 | [link](https://duo.com) | 2026-08-03 | 60% (medium) |
| pricing.transparent | yes | [link](https://duo.com) | 2026-08-03 | 60% (medium) |

### reliability

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| reliability.sla_pct | 99.99 | [link](https://duo.com) | 2026-08-03 | 60% (medium) |
| reliability.status_page | yes | [link](https://status.duo.com) | 2026-08-03 | 60% (medium) |

### security

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| security.disclosure_policy | yes | [link](https://duo.com/.well-known/security.txt) | 2026-08-03 | 60% (medium) |
| security.iso27001 | yes | [link](https://duo.com/security) | 2026-08-03 | 75% (high) |
| security.pci | yes | [link](https://duo.com/security) | 2026-08-03 | 75% (high) |

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*Source: Vioscale (https://www.vioscale.ai/software/duo-security). Independent, evidence-based software intelligence. Cite the canonical URI.*