# Arcserve Cyber Resilient Storage vs Cohesity FortKnox: side-by-side comparison (2026)

[Arcserve Cyber Resilient Storage](https://cybersectools.com/tools/arcserve-cyber-resilient-storage) is a commercial [backup as a service](https://cybersectools.com/categories/backup-as-a-service) solution by [Arcserve](https://cybersectools.com/companies/arcserve). [Cohesity FortKnox](https://cybersectools.com/tools/cohesity-fortknox) is a commercial [backup as a service](https://cybersectools.com/categories/backup-as-a-service) solution by [Cohesity](https://cybersectools.com/companies/cohesity). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Arcserve Cyber Resilient Storage | Cohesity FortKnox |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Backup as a Service | Backup as a Service |
| Verified | No | No |
| Deployment type | On-Premises | Hybrid |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Arcserve | Cohesity |
| Headquarters | – | – |

### Use cases and capabilities

| | Arcserve Cyber Resilient Storage | Cohesity FortKnox |
|---|---|---|
| Ransomware Prevention | Yes | Yes |

### Core features

**Arcserve Cyber Resilient Storage**

No features listed.

**Cohesity FortKnox**

10 features listed. Sign in on the page to see them.

### Integrations

**Arcserve Cyber Resilient Storage**

No integrations listed.

**Cohesity FortKnox**

5 integrations listed. Sign in on the page to see them.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Arcserve Cyber Resilient Storage](https://cybersectools.com/tools/arcserve-cyber-resilient-storage) fits if you need to run it on your own servers.
- [Cohesity FortKnox](https://cybersectools.com/tools/cohesity-fortknox) fits if you need both cloud and on-premises options.

## Arcserve Cyber Resilient Storage vs Cohesity FortKnox FAQ

Common questions when comparing Arcserve Cyber Resilient Storage vs Cohesity FortKnox for backup as a service.

### What is the difference between Arcserve Cyber Resilient Storage and Cohesity FortKnox?

**Arcserve Cyber Resilient Storage**: Cyber-resilient storage solution for data protection and backup, built by Arcserve.

**Cohesity FortKnox**: Cyber vault solution with immutable backups and air-gapped isolation, built by Cohesity.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes Arcserve Cyber Resilient Storage and Cohesity FortKnox?

**Arcserve Cyber Resilient Storage** is made by Arcserve. **Cohesity FortKnox** is made by Cohesity. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Arcserve Cyber Resilient Storage a good alternative to Cohesity FortKnox?

Often, yes. Arcserve Cyber Resilient Storage and Cohesity FortKnox are both Backup as a Service products, and both cover Ransomware Prevention. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Arcserve Cyber Resilient Storage vs Commvault Cloud Unity](https://cybersectools.com/compare/arcserve-cyber-resilient-storage-vs-commvault-cloud-unity)
- [Arcserve Cyber Resilient Storage vs Commvault HyperScale X](https://cybersectools.com/compare/arcserve-cyber-resilient-storage-vs-commvault-hyperscale-x)
- [Arcserve Cyber Resilient Storage vs Commvault Air Gap Protect](https://cybersectools.com/compare/arcserve-cyber-resilient-storage-vs-commvault-air-gap-protect)
- [Cohesity FortKnox vs Commvault Cloud Unity](https://cybersectools.com/compare/cohesity-fortknox-vs-commvault-cloud-unity)
- [Cohesity FortKnox vs Commvault HyperScale X](https://cybersectools.com/compare/cohesity-fortknox-vs-commvault-hyperscale-x)
- [Cohesity FortKnox vs Commvault Air Gap Protect](https://cybersectools.com/compare/cohesity-fortknox-vs-commvault-air-gap-protect)

## Alternatives to each

- [See all Arcserve Cyber Resilient Storage alternatives](https://cybersectools.com/alternatives/arcserve-cyber-resilient-storage)
- [See all Cohesity FortKnox alternatives](https://cybersectools.com/alternatives/cohesity-fortknox)

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Source: https://cybersectools.com/compare/arcserve-cyber-resilient-storage-vs-cohesity-fortknox

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/arcserve-cyber-resilient-storage.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Arcserve Cyber Resilient Storage and Cohesity FortKnox: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md
