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Fortify Your Data Security with a Sovereign EU-Based Cloud Strategy

04.07.2025

10

Minutes

Christian Kaul

Founder & COO Impossible Cloud

04.07.2025

04.07.2025

10

Minutes

Christian Kaul

Founder & COO Impossible Cloud

Concerns over non-EU data access laws and complex compliance rules are forcing over 50% of IT leaders to rethink their cloud strategy. A sovereign cloud approach offers a clear path to securing data under strict EU control.

Key Takeawys

True data security in the EU requires a sovereign-by-design provider that is EU-owned and governed to eliminate exposure to non-EU laws like the CLOUD Act.

Immutable storage with S3 Object Lock is a critical defense against ransomware, ensuring a clean, unalterable copy of data is always available for recovery.

Upcoming regulations like the EU Data Act, applicable from September 2025, make data portability and zero egress fees essential for avoiding vendor lock-in.

In 2025, European enterprises face a critical challenge: ensuring robust data security while navigating a maze of regulations like GDPR and NIS-2. Many cloud providers offer EU data centers, but true security lies in legal and operational sovereignty. Storing data with non-EU providers creates exposure to foreign laws, undermining compliance efforts. This article outlines a strategy for achieving comprehensive data security by leveraging an EU-native, sovereign-by-design cloud architecture. It provides a clear roadmap for ransomware protection, regulatory readiness, and cost predictability.

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Establish a New Baseline for Sovereign Data Security

Traditional data security models are no longer sufficient for EU businesses. The US CLOUD Act enables American authorities to legally access data stored by US companies, regardless of its physical location. This creates a fundamental conflict with GDPR, which requires that data protection travels with the data. For companies using US-based cloud services, even in EU data centers, this means data is never truly under exclusive EU legal control. Over 84% of decision-makers now see digital sovereignty as a critical factor in vendor selection.

A sovereign-by-design approach solves this by ensuring the cloud provider is EU-owned, EU-hosted, and governed entirely by EU law. This model provides complete legal certainty and eliminates exposure to non-EU jurisdictional risks. By choosing a 100% European provider, you ensure your data security posture is built on a foundation of legal and operational control. This shift is essential for building a resilient and compliant data strategy for the years ahead.

Implement Immutable Ransomware Protection by Design

Ransomware attacks continue to grow in sophistication, with recovery costs averaging millions. A modern defense requires more than just backups; it demands immutability. Immutable storage with Object Lock creates a write-once, read-many version of your data that cannot be altered or deleted for a specified period. This guarantees that even if attackers breach your primary systems, a clean, uncorrupted copy of your data is available for immediate recovery. This approach is a core component of a resilient ransomware protection strategy.

Effective data protection strategies rely on established frameworks. A modern approach includes these steps:

  • Follow a 4-2-2 backup rule: 4 copies of your data in 2 different formats, with 2 copies offsite.

  • Utilize geofenced, EU-only storage regions to ensure backup data never leaves your chosen jurisdiction.

  • Make one of the offsite copies immutable using S3 Object Lock to create an unchangeable version.

  • Regularly test your restore process from the immutable copy, ensuring a recovery time objective (RTO) of under 1 hour.

  • Implement granular Identity and Access Management (IAM) with multi-factor authentication (MFA) for all backup repositories.

This structure ensures your backups are not just copies, but fortified assets ready for any disaster recovery scenario.

Achieve Verifiable Compliance with EU Data Regulations

Navigating EU regulations is a primary driver for cloud infrastructure decisions. The NIS-2 Directive, which took effect in late 2024, imposes stringent cybersecurity risk-management and reporting obligations across 18 critical sectors. It requires organizations to secure their supply chain, making the choice of cloud provider a matter of direct compliance. Storing data in certified German data centers helps meet these high standards. A provider's compliance framework must align with these new, stricter rules.

Furthermore, the EU Data Act will become fully applicable on September 12, 2025, introducing powerful new rights for data portability and interoperability. This regulation is designed to prevent vendor lock-in and mandates that customers can switch cloud providers easily. A truly compliant partner embraces these principles with an open architecture and full S3 API compatibility, ensuring you are prepared for this new regulatory landscape. This proactive stance on compliance is a key competitive advantage.

Architect for Performance and Predictability Without Tiers

Many cloud storage models rely on complex tiering, moving data between hot, cool, and cold storage to manage costs. This approach often creates hidden operational burdens, including restore delays of several hours, unexpected retrieval fees, and API timeouts. An "Always-Hot" object storage model eliminates this complexity entirely. All data is immediately accessible, ensuring consistent, predictable performance for all workloads, from active archives to large-scale analytics. This simplifies operations and strengthens your disaster recovery capabilities.

  1. Zero Restore Delays: Every object is available for immediate retrieval, which is critical for meeting tight recovery time objectives of less than 15 minutes.

  2. No API Timeouts: Third-party backup and archive tools remain stable, as they never have to wait for data to be rehydrated from a cold tier.

  3. Simplified Lifecycle Policies: Eliminates the risk of policy drift and the operational overhead of managing complex data transitions.

  4. Predictable Performance: Guarantees strong read/write consistency and low latencies, even for workloads with millions of small files.

This streamlined model provides the foundation for a more resilient and cost-effective data management strategy.

Leverage Full S3 Compatibility for Seamless Integration

Migrating to a new cloud platform should not require rewriting applications or reconfiguring entire data pipelines. Full S3 API compatibility ensures that your existing tools, scripts, and applications continue to work without modification. This protects your past technology investments and dramatically reduces migration risk. Support for advanced S3 features like versioning, lifecycle management, and event notifications is critical for maintaining operational continuity. This compatibility extends to popular backup tools like Nova Backup, ensuring out-of-the-box integration.

A provider that prioritizes 100% S3 compatibility allows your teams to focus on value, not rework. This technical alignment ensures that security policies, automation scripts, and governance frameworks can be migrated with minimal friction. The result is a faster, more secure transition to a sovereign cloud environment, preserving years of development and operational knowledge.

Empower Channel Partners with a Predictable Value Proposition

For Managed Service Providers (MSPs) and resellers, profitability hinges on predictability. A cloud storage model with zero egress fees, no API call charges, and no minimum storage durations provides stable, defensible margins for Backup-as-a-Service (BaaS) and archiving solutions. This transparent economic model allows partners to build competitive offerings without fearing surprise costs that erode their profits. This predictability is a cornerstone of a healthy channel ecosystem.

Impossible Cloud is expanding its partner network across Europe to deliver these benefits. With the addition of distributors like api in Germany and Northamber plc in the UK, local access for resellers and MSPs is simpler than ever. Partners gain access to a multi-tenant management console with robust RBAC and MFA, API/CLI for automation, and clear reporting. This partner-ready platform enables fast onboarding and simplifies the delivery of compliant, sovereign cloud solutions to end customers.

FAQ

How does Impossible Cloud ensure data sovereignty?

Impossible Cloud is a European company that operates exclusively in certified European data centers. Our governance and operations are strictly under EU law, making us immune to foreign regulations like the US CLOUD Act. We provide country-level geofencing to keep your data in your chosen region.



Is your storage platform compatible with my existing backup software?

Yes. We offer full S3 API compatibility, which means our platform works out-of-the-box with leading backup and recovery solutions, including Veeam and NovaBackup. Your existing tools, scripts, and applications can connect to our storage without any changes.



What makes your pricing model predictable?

Our pricing is designed for transparency and predictability. We charge for the storage you use and have zero egress fees, no charges for API calls (reads/writes), and no minimum storage duration. This eliminates the hidden costs common with other providers.



How do you protect data against ransomware?

We provide Immutable Storage using S3 Object Lock. This feature allows you to make your backups unchangeable for a period you define, providing a guaranteed clean copy for recovery. This is combined with multi-layer encryption and granular IAM controls.



What does 'Always-Hot' storage mean?

Our 'Always-Hot' architecture means all your data is immediately accessible at all times, with no delays or extra fees for retrieval. This eliminates the complexity and slow performance of tiered storage (hot/cold), simplifying operations and speeding up restores.



How can I start using Impossible Cloud?

Getting started is simple. You can talk to one of our experts to discuss your use case, get a demo of our platform, or start a free trial to experience the performance and simplicity of our sovereign cloud storage firsthand.



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Impossible Cloud is your European alternative for S3-compatible object storage. Data resides in GDPR-compliant, certified EU data centers; Object Lock and versioning protect against ransomware. Transparent pricing with no egress or API fees. Perfect for backup, archive, and disaster recovery.

Impossible Cloud is your European alternative for S3-compatible object storage. Data resides in GDPR-compliant, certified EU data centers; Object Lock and versioning protect against ransomware. Transparent pricing with no egress or API fees. Perfect for backup, archive, and disaster recovery.

Impossible Cloud is your European alternative for S3-compatible object storage. Data resides in GDPR-compliant, certified EU data centers; Object Lock and versioning protect against ransomware. Transparent pricing with no egress or API fees. Perfect for backup, archive, and disaster recovery.