Best S3-native object storage solution built for Veeam

Object First delivers Zero Trust, S3-native, absolutely immutable object storage—optimized for unbeatable Veeam backup and recovery.

Create secure backups with Zero Access to perform destructive actions
Deploy in 15 minutes with no security expertise required
Supercharge Veeam Instant Recovery

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Ootbi ransomware-proof backup storage appliance built for Veeam
CISAVeeam Ready RepositoryVeeam Ready Object: Immutability, SOSAPI, IAM/STS

Trusted by 1,300+ customers

Rated 4.9 out of 5 stars
4.9/5
Rated 4.9 out of 5 stars
4.9/5

Why IT leaders switch to on-premises object storage for backups

Object storage is rapidly becoming the preferred repository for backup data because it delivers capabilities that traditional file and block storage struggle to match.

Native immutability

Object Lock prevents stored objects from being modified or deleted for a defined retention period, so even if bucket credentials are compromised, data cannot be altered or deleted. Versioning preserves multiple immutable copies, giving you multiple recovery points.

Enforcement

In Compliance Mode, even administrators cannot modify or delete protected data until the retention period expires.

End-to-end encryption

S3 backup data can be encrypted with rotating keys the moment it is created, so even if bucket credentials are compromised, it cannot be read or exfiltrated.

Third-party verification

Built on an open, fully documented protocol, S3 object storage has been independently tested and verified by security researchers and auditors, unlike proprietary, black-box systems.

Scalability

Repositories can scale to petabytes by adding nodes, with no file or block limits.

Rich metadata

Every object carries customizable metadata that powers search, automation, and lifecycle and retention policies.

Why immutability matters

66%
of organizations reported at least one ransomware attack in the last two years1
96%
of those attacks targeted backups to prevent recovery and force ransom payments2
To protect against ransomware, backup data must be immutable to ensure it cannot be altered or deleted once recorded.
But not all object storage solutions that claim to offer immutability really deliver it. If "immutable" data can be overwritten by a backup or storage admin, a vendor, or an attacker, then it cannot be considered an absolutely immutable storage solution.

Absolute Immutability:
The ultimate ransomware defense

The only guaranteed path to recovery after a ransomware attack is having backup storage with Absolute Immutability.
This means no one, not even the most privileged admin or attacker with access to backup storage, can modify or delete data.
Absolute Immutability can only be achieved using a backup storage system that is “secure-by-design” with Zero Access to perform destructive actions, and this Zero Access must be verifiable with third party testing. S3 object storage is the only way to achieve this.

Zero Access to perform destructive actions

Zero Access diagram: neither an admin nor an attacker can modify or delete backup data – Absolute Immutability verified by third party

S3 on-prem object storage for Veeam with Absolute Immutability

When—not if—ransomware strikes, the future of your business, reputation, and career are on the line. Object First delivers Zero Trust, S3-native, absolutely immutable storage—optimized for unbeatable backup and recovery. Requiring no security expertise, the Ootbi appliance can be racked, stacked, and powered in 15 minutes.
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Ootbi by Object First — ransomware-proof backup storage appliance

Secure

Uses Veeam’s direct-to-object functionality, leveraging S3-native object storage for secure, high-performance backup built on Zero Trust architecture.
Hardened appliance with Zero Access to perform destructive actions to the firmware, OS or data.
Hardware form factor guarantees strict separation of backup software and backup storage servers, ensuring multiple resilience zones to stay Zero Trust data resilient.

Simple

No security expertise is required. Configuration requires 3 IPs, a username, password, and MFA (Multi-Factor Authentication) setup. That’s it!
Additional nodes can be added in minutes with automatic scaling and load balancing supporting capacities of up to 1.7 PB in a cluster. No change to Veeam Namespace or Backup Repository configuration is required.
Updates are accessed directly from Object First servers, ensuring the Linux kernel and our proprietary object storage software stay secure and updated, mitigating the impact of new vulnerabilities and exploits.

Powerful

Purpose-built storage that integrates Veeam’s SOS API and delivers ingest speeds up to 8 GB/s.
Designed to supercharge Veeam Instant Recovery.
Engineered to ingest and secure encrypted Veeam data at the default block size. No reconfiguration of Veeam storage or security settings is required.
Rick Vanover, Vice President Product Strategy at Veeam Software
In the event of a ransomware attack, secure backup is the last line of defense. Together, Veeam and our innovative partner Object First deliver an integrated backup solution that meets the strictest Zero Trust Data Resilience principles.”
Rick Vanover
Vice President Product Strategy, Veeam Software

Proven Secure

Object First is validated by third-party testing, aligned with Zero Trust and CISA Secure by Design principles, and designed to support compliance.
CISAVeeam Ready RepositoryVeeam Ready Object: Immutability, SOSAPI, IAM/STS

Third-party Penetration Testing

Pen Testing summary and full report by NCC Group.
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What Partners and Customers Are Saying
View All Case Studies

Ootbi is much faster than our other backup storage. This is allowing us to backup faster and then replicate that data out faster.”

Zach Young
Director of Information Technology, Centerbase

With Object First, we can now guarantee what our old backup target couldn’t: the immutability of our backup data. We’re now fully protected from ransomware attacks.”

Matthias Altensleben
Head of IT at Bezirksamt Steglitz-Zehlendorf

With Ootbi we found a reliable multisite repository, which was in two different sites and guaranteed immutability of backups even in case of an attack.”

Pierluigi Sossi
Infrastructure Lead Europe

Ootbiʼs simplicity makes it perfect for an organization of our size. We don't have a dedicated team of storage engineers, and now, we don't need them.”

Ryan J. Taylor
Senior Systems Administrator

Sources:

  1. https://www.veeam.com/infographics/why-backups-should-be-a-part-of-your-cyber-resilience-plan_wp.pdf
  2. https://objectfirst.com/blog/esgs-2025-recommended-backup-strategies/

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Product Demo

Need more information about how to become ransomware-proof? Our experts will help you assess your backup storage needs based on your environment, budget, and growth goals.
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Ootbi by Object First — ransomware-proof backup storage appliance