The AZ-500 exam has been retired

It was retired on August 31, 2026. It was replaced by SC-500 (Microsoft Cloud and AI Security Engineer). Go to the SC-500 study guide

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4.2.1. Storage Account Access Control

💡 First Principle: Storage accounts support multiple authentication methods. The method you choose affects security posture and management complexity.

Authentication Methods

MethodDescriptionUse Case
Microsoft Entra IDIdentity-based accessUsers and applications with Entra identity
Shared KeyAccount key authenticationLegacy applications
Shared Access Signature (SAS)Delegated, limited accessExternal parties, time-limited access
AnonymousNo authenticationPublic content (rare)

⚠️ Exam Trap: Relying on shared keys for production applications. Shared keys provide full account access and cannot be scoped. Use Microsoft Entra ID or SAS with minimal permissions.

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Alvin Varughese
Written byAlvin Varughese
Founder20 professional certifications