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Resilience for Azure AI Search - Reliability in Azure AI Search - Azure AI Search | Microsoft Learn
Logging & threat detection : Defender for App Service & Diagnostic log with Azure Monitor.
Backup & recovery : regular automated backup (File content , App Configuration, DB if connected).
Identity Management : AAD Authentication, Service PPal, RBAC (Acess Policies), Restrict exposure credentials with Key Vault.
Privileged access : Least Privilege principle.