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FusionAuth API Key

Service Name: FusionAuth

Service Description: FusionAuth is a modern authentication and authorization platform that provides user management, single sign-on (SSO), multi-factor authentication (MFA), and other identity services for applications. It helps developers implement secure authentication systems quickly and efficiently.

Service Address: https://fusionauth.io/

Validation Type: API Auth

IP Allow list: IP restrictions can be configured at the tenant level through FusionAuth's security settings.

Secret Access Scope: Grants programmatic access to FusionAuth APIs, allowing management of users, applications, groups, and authentication settings. The scope depends on the specific permissions assigned to the API key.

Secret Revokement URL: https://fusionauth.io/docs/v1/tech/apis/api-keys/

Secret Example: 5EU_8Bx-T4XyPLIsdb9sdft7ghjk4567dfghjk5678dfgh

Suspicious Activity Investigation Instructions:

  • Review FusionAuth audit logs for unusual API calls or authentication attempts
  • Check for unexpected user creation, modification, or deletion events
  • Monitor for changes to application configurations or tenant settings
  • Look for unusual login patterns or authentication requests
  • Verify if there are any unexpected changes to API key permissions

Mitigation Instructions:

  • Log in to your FusionAuth admin interface
  • Navigate to Settings → API Keys

  • Locate the compromised API key in the list

  • Click the delete icon next to the compromised key to revoke it
  • Create a new API key with appropriate permissions to replace the compromised

one

  • Update any applications or services that were using the old API key
  • Consider implementing IP restrictions for API access if not already in place
  • Review and update your secret management practices to prevent future

exposures