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Yes. Grand Central offers DDoS Protection as a platform add-on. The service uses Azure DDoS Protection to provide advanced mitigation against volumetric, protocol, and application-layer attacks with sub-second response times.For full details and how to enable it, see Add-ons.
No. Each customer gets a dedicated installation, not a shared multi-tenant cluster. The isolation model includes:
  • Separate GitHub repositories per customer: Each customer has their own applications-live and self-service repositories
  • Separate AKS clusters per installation: Each installation has its own cluster, or at a minimum its own namespaces and runtimes
  • Separate SOPS keys per customer environment, linked to that customer’s Azure Key Vault
  • Separate APIM configuration per installation
  • Separate Microsoft Entra ID roles scoped to each installation’s environments
Grand Central is single-tenant by design. Each customer has isolated infrastructure, isolated repositories, and isolated secrets. Different customers’ connectors never run side-by-side in a shared runtime.