# Theodosian vs USB Firewall: side-by-side comparison (2026)

[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). [USB Firewall](https://cybersectools.com/tools/usb-firewall) is a commercial [data loss prevention](https://cybersectools.com/categories/dlp) solution by [Matisoft Cyber Security Labs](https://cybersectools.com/companies/matisoft-cyber-security-labs). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Theodosian | USB Firewall |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Data Loss Prevention | Data Loss Prevention |
| Verified | No | No |
| Deployment type | Hybrid | On-Premises |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | Theodosian | Matisoft Cyber Security Labs |
| Headquarters | – | – |

### Use cases and capabilities

| | Theodosian | USB Firewall |
|---|---|---|
| File Analysis | Yes | – |
| USB Security | – | Yes |

### Core features

**Theodosian**

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

**USB Firewall**

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

### Integrations

**Theodosian**

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

**USB Firewall**

No integrations listed.

## 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 need both cloud and on-premises options and you are a startup or a small business.
- [USB Firewall](https://cybersectools.com/tools/usb-firewall) fits if you need to run it on your own servers.

## Theodosian vs USB Firewall FAQ

Common questions when comparing Theodosian vs USB Firewall for data loss prevention.

### What is the difference between Theodosian and USB Firewall?

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

**USB Firewall**: USB device control & data protection solution for secure file transfers. Built by Matisoft Cyber Security Labs.

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

### Who makes Theodosian and USB Firewall?

**Theodosian** is made by Theodosian. **USB Firewall** is made by Matisoft Cyber Security Labs. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Theodosian a good alternative to USB Firewall?

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

## Related comparisons

- [Theodosian vs Fasoo Enterprise DRM](https://cybersectools.com/compare/fasoo-enterprise-drm-vs-theodosian)
- [Theodosian vs ThreatLocker Storage Control](https://cybersectools.com/compare/theodosian-vs-threatlocker-storage-control)
- [Theodosian vs Safend Protector](https://cybersectools.com/compare/safend-protector-vs-theodosian)
- [USB Firewall vs Fasoo Enterprise DRM](https://cybersectools.com/compare/fasoo-enterprise-drm-vs-usb-firewall)
- [USB Firewall vs ThreatLocker Storage Control](https://cybersectools.com/compare/threatlocker-storage-control-vs-usb-firewall)
- [USB Firewall vs Safend Protector](https://cybersectools.com/compare/safend-protector-vs-usb-firewall)

## Alternatives to each

- [See all Theodosian alternatives](https://cybersectools.com/alternatives/theodosian)
- [See all USB Firewall alternatives](https://cybersectools.com/alternatives/usb-firewall)

---

Source: https://cybersectools.com/compare/theodosian-vs-usb-firewall

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

More on Theodosian and USB Firewall: 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