# Calamu Data Harbor vs Microsoft Purview Data Loss Prevention: 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 Data Loss Prevention](https://cybersectools.com/tools/microsoft-purview-data-loss-prevention) 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 Data Loss Prevention | |---|---|---| | 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 Data Loss Prevention | |---|---|---| | Ransomware Prevention | Yes | – | | Data Breach | Yes | – | | Data Exfiltration | Yes | – | | Encryption | Yes | – | | Anomaly Detection | Yes | – | | S3 | Yes | – | | Ransomware | Yes | – | | Workload Security | Yes | – | | Microsoft 365 | – | Yes | | Alerting | – | Yes | ### Core features **Calamu Data Harbor** 7 features listed. Sign in on the page to see them. **Microsoft Purview Data Loss Prevention** 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 Data Loss Prevention** 8 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 Data Loss Prevention](https://cybersectools.com/tools/microsoft-purview-data-loss-prevention) fits if you want a cloud product. ## Calamu Data Harbor vs Microsoft Purview Data Loss Prevention FAQ Common questions when comparing Calamu Data Harbor vs Microsoft Purview Data Loss Prevention for data loss prevention. ### What is the difference between Calamu Data Harbor and Microsoft Purview Data Loss Prevention? **Calamu Data Harbor**: Breach-proof data storage platform using fragmentation to prevent data theft, built by Calamu. **Microsoft Purview Data Loss Prevention**: Prevents unauthorized sharing and transfer of sensitive data across devices, 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 Data Loss Prevention? **Calamu Data Harbor** is made by Calamu. **Microsoft Purview Data Loss Prevention** 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 Data Loss Prevention? Often, yes. Calamu Data Harbor and Microsoft Purview Data Loss Prevention 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 Data Loss Prevention vs Safetica DLP](https://cybersectools.com/compare/microsoft-purview-data-loss-prevention-vs-safetica-dlp) - [Microsoft Purview Data Loss Prevention vs SecureData](https://cybersectools.com/compare/microsoft-purview-data-loss-prevention-vs-securedata) - [Microsoft Purview Data Loss Prevention vs BlackFog ADX](https://cybersectools.com/compare/blackfog-adx-vs-microsoft-purview-data-loss-prevention) ## Alternatives to each - [See all Calamu Data Harbor alternatives](https://cybersectools.com/alternatives/calamu-data-harbor) - [See all Microsoft Purview Data Loss Prevention alternatives](https://cybersectools.com/alternatives/microsoft-purview-data-loss-prevention) --- Source: https://cybersectools.com/compare/calamu-data-harbor-vs-microsoft-purview-data-loss-prevention 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 Data Loss Prevention: 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