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IT professional configuring object lock for ransomware protection in a secure cloud storage environment.

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IT professional configuring object lock for ransomware protection in a secure cloud storage environment.

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(ex: Photo by

IT professional configuring object lock for ransomware protection in a secure cloud storage environment.

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Achieve Ransomware Resilience with Secure Object Lock Immutable Object Storage

13.09.2025

9

Minutes

Christian Kaul

Founder & COO Impossible Cloud

13.09.2025

13.09.2025

9

Minutes

Christian Kaul

Founder & COO Impossible Cloud

Ransomware attacks targeting backups are surging, with ENISA identifying them as a prime threat. Secure object lock immutable object storage offers a definitive defense by making your data unchangeable. This approach not only secures your backups but also aligns with stringent EU data regulations.

Key Takeawys

Secure object lock immutable object storage provides a definitive defense against ransomware by making backup data unchangeable.

Full S3-API compatibility allows for seamless integration with existing backup tools, protecting technology investments.

Operating exclusively in EU data centers with geofencing ensures compliance with GDPR, NIS-2, and the EU Data Act.

In 2024, ransomware remains a top cybersecurity threat across the European Union, with attackers frequently targeting backup repositories to prevent recovery. Simultaneously, EU businesses face expanding regulatory pressure from GDPR, NIS-2, and the upcoming EU Data Act, demanding verifiable data integrity and sovereignty. Responding to these dual challenges requires a modern strategy. Secure object lock immutable object storage provides a robust solution, creating a logical air gap that renders critical data tamper-proof. This ensures both recoverability after an attack and audit-ready compliance with EU mandates, positioning businesses to operate with greater resilience and legal certainty.

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Counteract Advanced Threats with Data Immutability

Ransomware attacks increased by 84% in early 2025 compared to the previous year, with 96% of victims reporting their backups were targeted. Traditional backup solutions are no longer sufficient. Secure object lock immutable object storage creates a WORM (Write-Once-Read-Many) state, making data unchangeable for a defined period. This fundamentally neutralizes ransomware threats against backup data. Once written, data cannot be encrypted or deleted by any user, ensuring a clean recovery copy is always available. This capability is a core component of a modern ransomware protection strategy.

This proactive defense model shifts security from mere prevention to guaranteed recoverability, a critical distinction as cyber threats grow more sophisticated. It provides the technical foundation for true organizational resilience.

Leverage Full S3 API Compatibility for Seamless Integration

The primary benefit of S3-compatible Object Lock is seamless integration with your existing tools and workflows. Over 80% of backup software solutions support the S3 API for cloud storage targets. This means you can activate immutability without replacing your current backup software or rewriting scripts. Your technology investments are protected, minimizing migration friction. Our platform ensures full S3 API compatibility, extending beyond basic operations to include versioning, lifecycle management, and security policies. You can easily configure Veeam immutable backups or other S3-aware applications.

This compatibility ensures that adopting a higher security standard does not introduce unnecessary operational complexity, allowing IT teams to focus on policy rather than tooling.

Meet Strict EU Compliance with Sovereign Storage

Data sovereignty is a key business priority for 84% of European organizations using cloud services. Storing data within the EU is essential for GDPR compliance and avoiding CLOUD Act exposure. Our secure object lock immutable object storage operates exclusively in certified European data centers. We provide country-level geofencing to guarantee your data remains within a predefined jurisdiction, satisfying GDPR's data residency requirements. This sovereign-by-design approach simplifies compliance audits.

Here is how immutability supports key EU regulations:

  • GDPR: Ensures data integrity and availability (Article 32) and supports defined retention periods.

  • NIS-2 Directive: Helps meet supply-chain security and incident handling requirements through verifiable, secure backups.

  • EU Data Act: Aligns with data portability mandates taking effect in September 2025 by using open standards.

This focus on EU-centric governance provides legal certainty, which is a significant competitive advantage in regulated industries like finance and healthcare.

Simplify Operations with an 'Always-Hot' Architecture

Complex storage tiering introduces risk, with restore delays and API timeouts causing failures in up to 15% of recovery attempts. Our 'Always-Hot' storage model eliminates this complexity entirely. All data, including immutable backups, is immediately accessible without any restore delays or hidden egress fees. This reduces operational overhead by at least 25% compared to tiered systems. You get predictable performance and costs, which is critical during a disaster recovery scenario. Learn more about the benefits of object lock features for data management.

This architectural choice ensures that your recovery point objectives (RPOs) and recovery time objectives (RTOs) are consistently met without financial surprises.

Implement a Resilient 4-2-2 Backup Strategy

The traditional 3-2-1 backup rule is evolving to counter modern threats. A 4-2-2 strategy provides a higher level of resilience for 2025 and beyond. It involves maintaining four copies of your data on two different media types, with two copies offsite. One of those offsite copies must be immutable.

Follow these steps to implement this strategy with our platform:

  1. Identify Critical Data: Classify all business data and prioritize systems for backup based on their impact on operations.

  2. Configure Backup Jobs: Use your existing S3-compatible backup software to point to our storage endpoints.

  3. Enable Object Lock: Create a new bucket with Object Lock enabled and set a retention policy (e.g., 30 days).

  4. Test Your Recovery: Regularly perform test restores to validate the integrity of your immutable backups and document the process.

This structured approach ensures your secure cloud backup plan is both robust and verifiable.

Empower MSPs with Predictable Margins and Management

For our partners, predictable costs are essential for building profitable services. Our model includes zero egress fees, no API call costs, and no minimum storage durations. This allows MSPs to build Backup-as-a-Service (BaaS) and Disaster-Recovery-as-a-Service (DRaaS) offerings with stable, defensible margins of 30% or more. Our multi-tenant partner console simplifies management. It provides role-based access control (RBAC), MFA, and centralized reporting. With our expanding distribution network, including api in Germany and Northamber plc in the UK, local support for resellers is stronger than ever.

This partner-centric approach is designed to accelerate onboarding and enable scalable growth for the channel.

Start Building Your Sovereign Data Defense Today

Adopting secure object lock immutable object storage is a direct response to the primary cyber threats and regulatory demands facing EU businesses. It offers a practical path to digital sovereignty and resilience without operational disruption. By leveraging an S3-compatible, EU-only platform, you can protect your data, simplify compliance, and control costs with 100% predictability. The technology is a key enabler for a secure S3 object storage posture.

Take the next step to secure your organization's future. Talk to an expert or start a free trial to see how easily you can implement immutable storage.

Adopting secure object lock immutable object storage is a direct response to the primary cyber threats and regulatory demands facing EU businesses. It offers a practical path to digital sovereignty and resilience without operational disruption. By leveraging an S3-compatible, EU-only platform, you can protect your data, simplify compliance, and control costs with 100% predictability. The technology is a key enabler for a secure S3 object storage posture.

Take the next step to secure your organization's future. Talk to an expert or start a free trial to see how easily you can implement immutable storage.

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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.