# DataLocker vs Theodosian: side-by-side comparison (2026)

[DataLocker](https://cybersectools.com/tools/datalocker) is a commercial [data loss prevention](https://cybersectools.com/categories/dlp) solution by [DataLocker](https://cybersectools.com/companies/datalocker). [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

| | DataLocker | Theodosian |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Data Loss Prevention | Data Loss Prevention |
| Verified | No | No |
| Deployment type | Hybrid | Hybrid |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | DataLocker | Theodosian |
| Headquarters | – | – |

### Use cases and capabilities

| | DataLocker | Theodosian |
|---|---|---|
| Encryption | Yes | – |
| USB Security | Yes | – |
| USB | Yes | – |
| Hardware Security | Yes | – |
| Key Management | Yes | – |
| Policy | Yes | – |
| Sensitive Data | Yes | – |
| BYOD | Yes | – |
| Active Directory | Yes | – |
| PCI DSS | Yes | – |
| File Analysis | – | Yes |

### Core features

**DataLocker**

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

**Theodosian**

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

### Integrations

**DataLocker**

1 integration 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.

- [Theodosian](https://cybersectools.com/tools/theodosian) fits if you are a startup.

## DataLocker vs Theodosian FAQ

Common questions when comparing DataLocker vs Theodosian for data loss prevention.

### What is the difference between DataLocker and Theodosian?

**DataLocker**: Encrypted USB drives and endpoint storage management platform. Built by DataLocker.

**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 DataLocker and Theodosian?

**DataLocker** is made by DataLocker. **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 DataLocker a good alternative to Theodosian?

Often, yes. DataLocker and Theodosian are both Data Loss Prevention products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [DataLocker vs SecureData](https://cybersectools.com/compare/datalocker-vs-securedata)
- [DataLocker vs Safetica DLP](https://cybersectools.com/compare/datalocker-vs-safetica-dlp)
- [DataLocker vs Safend Protector](https://cybersectools.com/compare/datalocker-vs-safend-protector)
- [Theodosian vs SecureData](https://cybersectools.com/compare/securedata-vs-theodosian)
- [Theodosian vs Safetica DLP](https://cybersectools.com/compare/safetica-dlp-vs-theodosian)
- [Theodosian vs Safend Protector](https://cybersectools.com/compare/safend-protector-vs-theodosian)

## Alternatives to each

- [See all DataLocker alternatives](https://cybersectools.com/alternatives/datalocker)
- [See all Theodosian alternatives](https://cybersectools.com/alternatives/theodosian)

---

Source: https://cybersectools.com/compare/datalocker-vs-theodosian

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

More on DataLocker 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