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This article concludes a series about cloud security in existing Azure environments. Together, they reveal something more important: cloud security does not work as a collection of controls. It only works as a system.

This article is the fifth part in a series about cloud security within existing Azure environments. This section moves away from technical details and addresses a more challenging topic: ownership. Most cloud security issues arise not from absent controls but from unclear responsibilities.

In the world of cybersecurity, traditional network perimeter security models are no longer sufficient to protect against increasingly sophisticated threats.

Over the past decade, cloud adoption has shifted from an optional innovation to the standard approach for many. In Europe, Microsoft Azure, Amazon Web Services, and Google Cloud are the foundation of digital infrastructure. However, a key question has arisen: who really controls your data and workloads?

This article is the fourth part of a series on cloud security in real-world Azure environments. We move from signals and access to a more structural topic: architecture. Because some security controls will inevitably fail, the platform's architecture determines whether such failures are contained or lead to disaster.

This article is the third part in a series on cloud security, based on real Azure environments rather than idealized models. The first part emphasized establishing momentum through basic improvements. The second highlighted how identity is the most underestimated yet powerful security control in the