# Calamu Data Harbor vs SpinOne Microsoft 365 DLP: side-by-side comparison (2026)

[Calamu Data Harbor](https://cybersectools.com/tools/calamu-data-harbor) is a commercial [data loss prevention](https://cybersectools.com/categories/dlp) solution by [Calamu](https://cybersectools.com/companies/calamu). [SpinOne Microsoft 365 DLP](https://cybersectools.com/tools/spinone-microsoft-365-dlp) is a commercial [data loss prevention](https://cybersectools.com/categories/dlp) solution by [Spin.AI](https://cybersectools.com/companies/spinai). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Calamu Data Harbor | SpinOne Microsoft 365 DLP |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Data Loss Prevention | Data Loss Prevention |
| Verified | No | No |
| Deployment type | Hybrid | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Calamu | Spin.AI |
| Headquarters | – | – |

### Use cases and capabilities

| | Calamu Data Harbor | SpinOne Microsoft 365 DLP |
|---|---|---|
| Ransomware Prevention | Yes | – |
| Data Breach | Yes | – |
| Data Exfiltration | Yes | – |
| Encryption | Yes | – |
| Anomaly Detection | Yes | – |
| S3 | Yes | – |
| Ransomware | Yes | – |
| Workload Security | Yes | – |
| Microsoft 365 | – | Yes |
| PII | – | Yes |
| Alerting | – | Yes |

### Core features

**Calamu Data Harbor**

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

**SpinOne Microsoft 365 DLP**

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

### Integrations

**Calamu Data Harbor**

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

**SpinOne Microsoft 365 DLP**

48 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.

- [Calamu Data Harbor](https://cybersectools.com/tools/calamu-data-harbor) fits if you need both cloud and on-premises options.
- [SpinOne Microsoft 365 DLP](https://cybersectools.com/tools/spinone-microsoft-365-dlp) fits if you want a cloud product.

## Calamu Data Harbor vs SpinOne Microsoft 365 DLP FAQ

Common questions when comparing Calamu Data Harbor vs SpinOne Microsoft 365 DLP for data loss prevention.

### What is the difference between Calamu Data Harbor and SpinOne Microsoft 365 DLP?

**Calamu Data Harbor**: Breach-proof data storage platform using fragmentation to prevent data theft, built by Calamu.

**SpinOne Microsoft 365 DLP**: DLP solution for Microsoft 365 with automated data leak prevention capabilities, built by Spin.AI.

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

### Who makes Calamu Data Harbor and SpinOne Microsoft 365 DLP?

**Calamu Data Harbor** is made by Calamu. **SpinOne Microsoft 365 DLP** is made by Spin.AI. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Calamu Data Harbor a good alternative to SpinOne Microsoft 365 DLP?

Often, yes. Calamu Data Harbor and SpinOne Microsoft 365 DLP are both Data Loss Prevention products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Calamu Data Harbor vs Safetica DLP](https://cybersectools.com/compare/calamu-data-harbor-vs-safetica-dlp)
- [Calamu Data Harbor vs Jazz](https://cybersectools.com/compare/calamu-data-harbor-vs-jazz-security)
- [Calamu Data Harbor vs SecureData](https://cybersectools.com/compare/calamu-data-harbor-vs-securedata)
- [SpinOne Microsoft 365 DLP vs Safetica DLP](https://cybersectools.com/compare/safetica-dlp-vs-spinone-microsoft-365-dlp)
- [SpinOne Microsoft 365 DLP vs Jazz](https://cybersectools.com/compare/jazz-security-vs-spinone-microsoft-365-dlp)
- [SpinOne Microsoft 365 DLP vs SecureData](https://cybersectools.com/compare/securedata-vs-spinone-microsoft-365-dlp)

## Alternatives to each

- [See all Calamu Data Harbor alternatives](https://cybersectools.com/alternatives/calamu-data-harbor)
- [See all SpinOne Microsoft 365 DLP alternatives](https://cybersectools.com/alternatives/spinone-microsoft-365-dlp)

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Source: https://cybersectools.com/compare/calamu-data-harbor-vs-spinone-microsoft-365-dlp

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

More on Calamu Data Harbor and SpinOne Microsoft 365 DLP: 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