# Curity Identity Server vs Duo Adaptive Access: side-by-side comparison (2026)

[Curity Identity Server](https://cybersectools.com/tools/curity-identity-server) is a commercial [access management](https://cybersectools.com/categories/access-management) solution by [Curity](https://cybersectools.com/companies/curity). [Duo Adaptive Access](https://cybersectools.com/tools/duo-adaptive-access) is a commercial [access management](https://cybersectools.com/categories/access-management) solution by [Duo Security](https://cybersectools.com/companies/duo-security). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best Access Management Solutions for Business](https://cybersectools.com/shortlists/best-access-management-solutions) picks Microsoft Entra ID, Okta Single Sign-On, Ping Identity Platform and 4 more.

## Side-by-side comparison

| | Curity Identity Server | Duo Adaptive Access |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Access Management | Access Management |
| Verified | No | No |
| Deployment type | Hybrid | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | Curity | Duo Security |
| Headquarters | – | – |

### Use cases and capabilities

| | Curity Identity Server | Duo Adaptive Access |
|---|---|---|
| Authentication | Yes | – |
| Authorization | Yes | – |
| SSO | Yes | – |
| MFA | Yes | – |
| JWT Security | Yes | – |
| Zero Trust Architecture | Yes | – |
| Remote Access | – | Yes |

### Core features

**Curity Identity Server**

No features listed.

**Duo Adaptive Access**

10 features listed. Sign in on the page to see them.

### Integrations

**Curity Identity Server**

10 integrations listed. Sign in on the page to see them.

**Duo Adaptive Access**

No integrations listed.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Curity Identity Server](https://cybersectools.com/tools/curity-identity-server) fits if you need both cloud and on-premises options.
- [Duo Adaptive Access](https://cybersectools.com/tools/duo-adaptive-access) fits if you want a cloud product and you are a startup.

## Curity Identity Server vs Duo Adaptive Access FAQ

Common questions when comparing Curity Identity Server vs Duo Adaptive Access for access management.

### What is the difference between Curity Identity Server and Duo Adaptive Access?

**Curity Identity Server**: Identity server platform for managing authentication and access decisions. Built by Curity.

**Duo Adaptive Access**: Adaptive access control with MFA, SSO, and risk-based authentication policies. Built by Duo Security.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes Curity Identity Server and Duo Adaptive Access?

**Curity Identity Server** is made by Curity. **Duo Adaptive Access** is made by Duo Security. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Curity Identity Server a good alternative to Duo Adaptive Access?

Often, yes. Curity Identity Server and Duo Adaptive Access are both Access Management products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Curity Identity Server vs F5 BIG-IP Zero Trust Access](https://cybersectools.com/compare/curity-identity-server-vs-f5-big-ip-access-policy-manager-apm)
- [Curity Identity Server vs SecureAuth](https://cybersectools.com/compare/curity-identity-server-vs-secureauth)
- [Curity Identity Server vs Broadcom Identity and Access Management](https://cybersectools.com/compare/broadcom-identity-and-access-management-vs-curity-identity-server)
- [Duo Adaptive Access vs F5 BIG-IP Zero Trust Access](https://cybersectools.com/compare/duo-adaptive-access-vs-f5-big-ip-access-policy-manager-apm)
- [Duo Adaptive Access vs SecureAuth](https://cybersectools.com/compare/duo-adaptive-access-vs-secureauth)
- [Duo Adaptive Access vs Broadcom Identity and Access Management](https://cybersectools.com/compare/broadcom-identity-and-access-management-vs-duo-adaptive-access)

## Alternatives to each

- [See all Curity Identity Server alternatives](https://cybersectools.com/alternatives/curity-identity-server)
- [See all Duo Adaptive Access alternatives](https://cybersectools.com/alternatives/duo-adaptive-access)

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Source: https://cybersectools.com/compare/curity-identity-server-vs-duo-adaptive-access

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More on Curity Identity Server and Duo Adaptive Access: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md