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Cohesity storage UK

Optimize Cohesity Storage in the UK with Sovereign S3 Object Storage

05.10.2025

10

Minutes

Thomas Demoor

CTO Impossible Cloud

Oct 11, 2025

05.10.2025

05.10.2025

10

Minutes

Thomas Demoor

CTO Impossible Cloud

UK businesses using Cohesity need a storage solution that guarantees data sovereignty and cost predictability. Storing backups with non-EU providers creates exposure to the US CLOUD Act and unpredictable egress fees.

Key Takeaways

Achieve digital sovereignty for your Cohesity backups by using an EU-based storage provider, avoiding US CLOUD Act exposure.

Eliminate unpredictable cloud costs with a storage model that has zero egress fees, zero API call charges, and no minimum storage durations.

Activate robust ransomware defense by using S3 Object Lock to make your Cohesity backups immutable and instantly recoverable.

For UK enterprises and MSPs leveraging Cohesity for data protection, selecting the right storage target is a critical decision that impacts security, compliance, and budget. While Cohesity offers robust backup and recovery, tiering data to a non-EU cloud provider can introduce significant risks, including exposure to foreign jurisdictions like the US CLOUD Act and crippling, unpredictable egress fees. An EU-based, S3-compatible object storage solution offers a modern alternative. It provides a sovereign, resilient, and cost-effective tier for Cohesity backups, ensuring data remains under EU law while delivering the performance and security UK organizations require for 100% of their data protection needs.

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Meet UK Data Sovereignty Needs for Cohesity Backups

For UK businesses, maintaining control over data is a primary concern, with 87% of IT leaders citing security and compliance as top priorities. Although the UK has its own GDPR framework, data transfers to non-EU providers, particularly those under US jurisdiction, create risk. The US CLOUD Act allows US authorities to demand data regardless of where it is stored, creating a direct conflict with EU privacy principles.

Using a European provider for your Cohesity storage UK strategy eliminates this conflict entirely. Impossible Cloud operates exclusively in certified European data centers, ensuring your backup data is governed solely by EU law. This approach provides the legal certainty required for a robust data sovereignty strategy. This jurisdictional clarity is the first step toward building a truly resilient data protection architecture.

Eliminate Hidden Fees From Your Cohesity Storage Tier

Unpredictable costs are a major challenge, with unplanned egress charges accounting for up to 15% of a company's total cloud bill. These fees, incurred every time you restore data from a Cohesity backup, create significant budget uncertainty. Many providers also charge for API calls or enforce minimum storage durations, adding layers of financial complexity.

Impossible Cloud offers a predictable economic model designed for backup workloads. We charge zero for egress fees and zero for API calls, with no minimum storage duration. This transparent approach allows UK businesses and MSPs to forecast their Cohesity storage costs with 100% accuracy. A predictable cost model is essential for any effective hybrid cloud storage strategy, ensuring no financial surprises during a critical recovery event.

Activate Immutable Ransomware Protection for Cohesity

Ransomware attacks increasingly target backup repositories to prevent recovery, making immutability a critical defense layer. An immutable backup cannot be altered or deleted by anyone—not even an administrator with full credentials—for a defined retention period. This feature is a cornerstone of modern cyber resilience, with Gartner estimating 75% of IT organizations will face a ransomware incident by 2025.

Impossible Cloud provides S3 Object Lock, enabling immutable backups for your Cohesity environment. Here is how it enhances security:

  • WORM Compliance: Creates a Write-Once-Read-Many (WORM) state, making data unchangeable for its entire lifecycle.

  • Air-Gapped Security: Provides a logical air gap, isolating backup data from threats that compromise primary systems.

  • Guaranteed Recovery: Ensures a clean, uncorrupted copy of your data is always available for restoration after an attack.

  • Regulatory Proof: Delivers auditable proof of data integrity, supporting compliance with industry regulations.

This powerful feature transforms your Cohesity backups into a secure vault, providing a reliable last line of defense against cyber threats and supporting your goals for continuous data protection.

Ensure Seamless Integration With Full S3 Compatibility

Cohesity integrates smoothly with any S3-compatible storage target, but true compatibility goes beyond basic API calls. For reliable backup and restore operations, the storage must support advanced S3 features and deliver consistent performance. Any API inconsistencies or performance bottlenecks can disrupt backup jobs and complicate recovery efforts.

Impossible Cloud is engineered for 100% S3 API compatibility, ensuring your existing Cohesity workflows operate without modification. Our “Always-Hot” architecture means all data is immediately accessible, with no delays or fees for restores. This eliminates the complexity of tiered storage models, which often introduce latency and hidden costs. A proper storage vendor evaluation should prioritize this level of seamless integration.

Leverage a Partner-Ready Platform for UK MSPs

For UK Managed Service Providers, offering Backup-as-a-Service (BaaS) with Cohesity requires a storage partner that understands the channel. Predictable margins, multi-tenant management, and local support are essential for success. The lack of cost predictability from hyperscalers, with egress fees reaching over $20,000 monthly for some, erodes profitability.

Impossible Cloud is built for the channel, with key features for MSPs:

  1. Predictable Margins: With zero egress or API fees, you can build profitable, fixed-fee services for your clients.

  2. Multi-Tenant Management: Our console supports full Identity and Access Management (IAM) with Role-Based Access Control (RBAC) for secure client segmentation.

  3. Automation at Scale: A comprehensive API and CLI enable automation of provisioning, management, and reporting tasks.

  4. UK Distribution: We partner with Northamber plc, our first UK distributor, providing local access and support for resellers.

This partner-centric approach simplifies operations and empowers MSPs to deliver competitive and sovereign data protection services across the UK.

Future-Proof Your Cohesity Backups for EU Regulations

The regulatory landscape is constantly evolving, and your storage strategy must adapt. Two key EU regulations, the Data Act and NIS-2, will shape future compliance requirements. The EU Data Act, applicable from September 2025, mandates data portability and prohibits vendor lock-in, ensuring you can always move your data. The NIS-2 Directive requires robust supply-chain security and continuous risk management for critical infrastructure.

Impossible Cloud is designed for this future. Our use of open standards and a transparent pricing model aligns with the Data Act's principles of portability and no lock-in. Our security posture, with end-to-end encryption and EU-only data centers, helps you meet the stringent requirements of NIS-2. Choosing a forward-looking cloud storage solution ensures your Cohesity data strategy remains compliant for years to come.

FAQ

Why is data sovereignty important for my Cohesity backups in the UK?

Data sovereignty is critical for UK businesses to ensure their backup data is not subject to foreign laws like the US CLOUD Act, which could compel disclosure to US authorities. Storing Cohesity backups in an EU-only cloud like Impossible Cloud guarantees data is governed by EU privacy laws, providing legal certainty and compliance.



What does 'Always-Hot' storage mean for Cohesity restores?

An 'Always-Hot' storage model means all data, including archived Cohesity backups, is immediately accessible for restoration without any delays or retrieval fees. Unlike tiered storage that requires moving data from 'cold' to 'hot' layers, our architecture ensures your recovery operations are fast and predictable every time.



Is Impossible Cloud compatible with my existing Cohesity setup?

Yes. Impossible Cloud offers full S3 API compatibility, meaning it integrates seamlessly with your existing Cohesity DataProtect environment. You can add it as an 'S3-Compatible' external target without needing to change your backup policies, scripts, or workflows.



How does a zero-egress-fee model benefit my business?

A zero-egress-fee model provides complete cost predictability for your Cohesity storage. You will never receive a surprise bill for restoring data, performing disaster recovery tests, or migrating your data. This allows for accurate budgeting and removes the financial penalties associated with accessing your own backups.



How does Impossible Cloud support UK channel partners and MSPs?

We support UK partners through our distributor, Northamber plc, and a partner-ready platform featuring a multi-tenant console, IAM with RBAC, full automation via API/CLI, and a predictable pricing model that allows MSPs to build profitable BaaS and DRaaS offerings around Cohesity.



What is S3 Object Lock and why do I need it?

S3 Object Lock is a feature that makes your data immutable, meaning it cannot be altered or deleted for a specified period. For Cohesity backups, this is your ultimate defense against ransomware, as it ensures that even if your primary systems are compromised, you have a guaranteed, uncorrupted copy of your data ready for recovery.



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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.