# DataStealth Data Discovery vs Theodosian: side-by-side comparison (2026)

[DataStealth Data Discovery](https://cybersectools.com/tools/datastealth-data-discovery) is a commercial [data security posture management](https://cybersectools.com/categories/dspm) solution by [DataStealth](https://cybersectools.com/companies/datastealth). [Theodosian](https://cybersectools.com/tools/theodosian) is a commercial [data loss prevention](https://cybersectools.com/categories/dlp) solution by [Theodosian](https://cybersectools.com/companies/theodosian). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | DataStealth Data Discovery | Theodosian |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Data Security Posture Management | Data Loss Prevention |
| Verified | No | No |
| Deployment type | Cloud | Hybrid |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | DataStealth | Theodosian |
| Headquarters | – | – |

### Use cases and capabilities

| | DataStealth Data Discovery | Theodosian |
|---|---|---|
| PII | Yes | – |
| Sensitive Data | Yes | – |
| GDPR | Yes | – |
| File Analysis | – | Yes |

### Core features

**DataStealth Data Discovery**

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

**Theodosian**

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

### Integrations

**DataStealth Data Discovery**

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

**Theodosian**

4 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.

- [DataStealth Data Discovery](https://cybersectools.com/tools/datastealth-data-discovery) fits if you want a cloud product.
- [Theodosian](https://cybersectools.com/tools/theodosian) fits if you need both cloud and on-premises options and you are a startup.

## DataStealth Data Discovery vs Theodosian FAQ

Common questions when comparing DataStealth Data Discovery vs Theodosian for data security posture management.

### What is the difference between DataStealth Data Discovery and Theodosian?

**DataStealth Data Discovery**: Discovers sensitive PII/PHI/PCI data across on-prem, cloud, and shadow IT. Built by DataStealth.

**Theodosian**: File-level encryption and access control for data-centric security. Built by Theodosian.

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

### Who makes DataStealth Data Discovery and Theodosian?

**DataStealth Data Discovery** is made by DataStealth. **Theodosian** is made by Theodosian. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is DataStealth Data Discovery a good alternative to Theodosian?

In part. DataStealth Data Discovery and Theodosian are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [DataStealth Data Discovery vs Qohash Recon](https://cybersectools.com/compare/datastealth-data-discovery-vs-qohash-recon)
- [DataStealth Data Discovery vs DataStealth Data Security Platform](https://cybersectools.com/compare/datastealth-data-discovery-vs-datastealth-data-security-platform)
- [DataStealth Data Discovery vs Ground Labs Enterprise Recon](https://cybersectools.com/compare/datastealth-data-discovery-vs-ground-labs-enterprise-recon)
- [Theodosian vs Qohash Recon](https://cybersectools.com/compare/qohash-recon-vs-theodosian)
- [Theodosian vs DataStealth Data Security Platform](https://cybersectools.com/compare/datastealth-data-security-platform-vs-theodosian)
- [Theodosian vs Ground Labs Enterprise Recon](https://cybersectools.com/compare/ground-labs-enterprise-recon-vs-theodosian)

## Alternatives to each

- [See all DataStealth Data Discovery alternatives](https://cybersectools.com/alternatives/datastealth-data-discovery)
- [See all Theodosian alternatives](https://cybersectools.com/alternatives/theodosian)

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Source: https://cybersectools.com/compare/datastealth-data-discovery-vs-theodosian

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

More on DataStealth Data Discovery and Theodosian: 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