For teams hosting in the EU, domain-based resource separation has become more than a best practice—it’s the line between compliance and chaos. By isolating applications and data per domain, you control blast radius, meet data residency requirements, and reduce risk from lateral movement inside your systems.
Why Domain-Based Resource Separation Matters
When resources share the same execution, storage, or network space, any compromise or misconfiguration can spill over into other services. In tightly regulated EU environments, that’s unacceptable. Domain-based separation means each domain—whether per tenant, product, or environment—gets its own compute, storage, and identity boundaries. This approach maps cleanly to GDPR requirements and aligns with zero-trust architectures.
Lower Risk, Higher Control
Segregating workloads by domain improves security scanning accuracy, limits credential scope, and makes infrastructure-as-code more predictable. Coupled with strict IAM per domain, a single breach no longer threatens the integrity of unrelated resources. You can enforce granular policies, rotate keys independently, and monitor resource health without noise from other domains.