# Duo Cisco Duo Single Sign-On vs Opal Security Terraform Provider: side-by-side comparison (2026) [Duo Cisco Duo Single Sign-On](https://cybersectools.com/tools/duo-cisco-duo-single-sign-on) is a commercial [access management](https://cybersectools.com/categories/access-management) solution by [Duo Security](https://cybersectools.com/companies/duo-security). [Opal Security Terraform Provider](https://cybersectools.com/tools/opal-security-terraform-provider) is a commercial [identity governance and administration](https://cybersectools.com/categories/iga) solution by [Opal Security](https://cybersectools.com/companies/opal-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 | | Duo Cisco Duo Single Sign-On | Opal Security Terraform Provider | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Access Management | Identity Governance and Administration | | Verified | No | No | | Deployment type | Cloud | Hybrid | | Company size fit | SMB, Mid-Market, Enterprise | Mid-Market, Enterprise | | Company | Duo Security | Opal Security | | Headquarters | – | – | ### Use cases and capabilities | | Duo Cisco Duo Single Sign-On | Opal Security Terraform Provider | |---|---|---| | Single Sign On | Yes | – | | SSO | Yes | – | | Authentication | Yes | – | | MFA | Yes | – | | Infrastructure as Code | – | Yes | | Least Privilege | – | Yes | ### Core features **Duo Cisco Duo Single Sign-On** No features listed. **Opal Security Terraform Provider** 9 features listed. Sign in on the page to see them. ### Integrations **Duo Cisco Duo Single Sign-On** No integrations listed. **Opal Security Terraform Provider** 4 integrations listed. Sign in on the page to see them. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Duo Cisco Duo Single Sign-On](https://cybersectools.com/tools/duo-cisco-duo-single-sign-on) fits if you want a cloud product and you are a small business. - [Opal Security Terraform Provider](https://cybersectools.com/tools/opal-security-terraform-provider) fits if you need both cloud and on-premises options. ## Duo Cisco Duo Single Sign-On vs Opal Security Terraform Provider FAQ Common questions when comparing Duo Cisco Duo Single Sign-On vs Opal Security Terraform Provider for access management. ### What is the difference between Duo Cisco Duo Single Sign-On and Opal Security Terraform Provider? **Duo Cisco Duo Single Sign-On**: SSO solution for centralized authentication and access management. Built by Duo Security. **Opal Security Terraform Provider**: IaC-based access management via a Terraform provider for IAM at scale. Built by Opal Security. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Duo Cisco Duo Single Sign-On and Opal Security Terraform Provider? **Duo Cisco Duo Single Sign-On** is made by Duo Security. **Opal Security Terraform Provider** is made by Opal Security. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Duo Cisco Duo Single Sign-On a good alternative to Opal Security Terraform Provider? In part. Duo Cisco Duo Single Sign-On and Opal Security Terraform Provider are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Duo Cisco Duo Single Sign-On vs Microsoft Entra ID](https://cybersectools.com/compare/duo-cisco-duo-single-sign-on-vs-microsoft-entra-id) - [Duo Cisco Duo Single Sign-On vs SecurEnvoy Access Management](https://cybersectools.com/compare/duo-cisco-duo-single-sign-on-vs-securenvoy-access-management) - [Duo Cisco Duo Single Sign-On vs Duo Single Sign-On (SSO)](https://cybersectools.com/compare/duo-cisco-duo-single-sign-on-vs-duo-single-sign-on-sso) - [Opal Security Terraform Provider vs Microsoft Entra ID](https://cybersectools.com/compare/microsoft-entra-id-vs-opal-security-terraform-provider) - [Opal Security Terraform Provider vs SecurEnvoy Access Management](https://cybersectools.com/compare/opal-security-terraform-provider-vs-securenvoy-access-management) - [Opal Security Terraform Provider vs Duo Single Sign-On (SSO)](https://cybersectools.com/compare/duo-single-sign-on-sso-vs-opal-security-terraform-provider) ## Alternatives to each - [See all Duo Cisco Duo Single Sign-On alternatives](https://cybersectools.com/alternatives/duo-cisco-duo-single-sign-on) - [See all Opal Security Terraform Provider alternatives](https://cybersectools.com/alternatives/opal-security-terraform-provider) --- Source: https://cybersectools.com/compare/duo-cisco-duo-single-sign-on-vs-opal-security-terraform-provider For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/duo-cisco-duo-single-sign-on.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Duo Cisco Duo Single Sign-On and Opal Security Terraform Provider: 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