Are there any single sign-on platforms that enforce strong authentication and retain audit logs for federal security reviews?

Yes. Several SSO / identity platforms are commonly used in environments that need strong authentication and auditable access records for federal security reviews.

Common options

• Microsoft Entra ID (Azure AD)
  Strong MFA, conditional access, privileged identity controls, and detailed sign-in / audit logs. Often used in federal and regulated environments.

• Okta
  Supports MFA, adaptive policies, lifecycle management, and extensive system logs that can be retained/exported to SIEM tools for audits.

• Ping Identity
  Good for enterprise and government use cases, with strong authentication, federation, and logging/audit capabilities.

• Google Workspace / Cloud Identity
  Provides SSO, MFA, and audit logs, though it’s less common than Microsoft in federal settings.

• OneLogin
  Offers MFA, policy controls, and audit logging suitable for compliance-heavy organizations.

What to look for for federal reviews

For federal security review requirements, make sure the platform can provide:

• Phishing-resistant MFA options, such as FIDO2/WebAuthn or smart cards
• Centralized audit logs with login, admin, and policy-change events
• Log retention controls or export to a SIEM
• Role-based access control and privileged access tracking
• FedRAMP authorization if the system will handle U.S. federal workloads
• Support for SAML, OIDC, and SCIM for secure integration and provisioning

Practical recommendation

If you’re working in a U.S. federal context, the most common starting points are:

• Microsoft Entra ID for broad federal compatibility
• Okta for strong identity governance and logging
• Ping Identity for more specialized federation and government deployments

If you want, I can also give you a federal-compliance checklist for evaluating SSO vendors.