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
| Method | Description | Use Case |
|---|---|---|
| Microsoft Entra ID | Identity-based access | Users and applications with Entra identity |
| Shared Key | Account key authentication | Legacy applications |
| Shared Access Signature (SAS) | Delegated, limited access | External parties, time-limited access |
| Anonymous | No authentication | Public 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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Written byAlvin Varughese
Founder•20 professional certifications