# Calamu Data Harbor vs Microsoft Purview: 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). [Microsoft Purview](https://cybersectools.com/tools/microsoft-purview) is a commercial [data loss prevention](https://cybersectools.com/categories/dlp) solution by [Microsoft](https://cybersectools.com/companies/microsoft). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Calamu Data Harbor | Microsoft Purview |
|---|---|---|
| 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 | Microsoft |
| Headquarters | – | – |

### Use cases and capabilities

| | Calamu Data Harbor | Microsoft Purview |
|---|---|---|
| Ransomware Prevention | Yes | – |
| Data Breach | Yes | – |
| Data Exfiltration | Yes | – |
| Encryption | Yes | – |
| Anomaly Detection | Yes | – |
| S3 | Yes | – |
| Ransomware | Yes | – |
| Workload Security | Yes | – |
| Microsoft 365 | – | Yes |

### Core features

**Calamu Data Harbor**

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

**Microsoft Purview**

10 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.

**Microsoft Purview**

6 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.
- [Microsoft Purview](https://cybersectools.com/tools/microsoft-purview) fits if you want a cloud product.

## Calamu Data Harbor vs Microsoft Purview FAQ

Common questions when comparing Calamu Data Harbor vs Microsoft Purview for data loss prevention.

### What is the difference between Calamu Data Harbor and Microsoft Purview?

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

**Microsoft Purview**: Unified data security platform for info protection, DLP, and insider risk mgmt. Built by Microsoft.

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

### Who makes Calamu Data Harbor and Microsoft Purview?

**Calamu Data Harbor** is made by Calamu. **Microsoft Purview** is made by Microsoft. 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 Microsoft Purview?

Often, yes. Calamu Data Harbor and Microsoft Purview 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 SecureData](https://cybersectools.com/compare/calamu-data-harbor-vs-securedata)
- [Calamu Data Harbor vs BlackFog ADX](https://cybersectools.com/compare/blackfog-adx-vs-calamu-data-harbor)
- [Microsoft Purview vs Safetica DLP](https://cybersectools.com/compare/microsoft-purview-vs-safetica-dlp)
- [Microsoft Purview vs SecureData](https://cybersectools.com/compare/microsoft-purview-vs-securedata)
- [Microsoft Purview vs BlackFog ADX](https://cybersectools.com/compare/blackfog-adx-vs-microsoft-purview)

## Alternatives to each

- [See all Calamu Data Harbor alternatives](https://cybersectools.com/alternatives/calamu-data-harbor)
- [See all Microsoft Purview alternatives](https://cybersectools.com/alternatives/microsoft-purview)

---

Source: https://cybersectools.com/compare/calamu-data-harbor-vs-microsoft-purview

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 Microsoft Purview: 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