# Unit221B eWitness vs ZeroFox Intelligence Search: side-by-side comparison (2026)

[Unit221B eWitness](https://cybersectools.com/tools/unit221b-ewitness) is a commercial [threat intel platforms](https://cybersectools.com/categories/tip) solution by [Unit 221B](https://cybersectools.com/companies/unit-221b). [ZeroFox Intelligence Search](https://cybersectools.com/tools/zerofox-intelligence-search) is a commercial [threat intel platforms](https://cybersectools.com/categories/tip) solution by [ZeroFox](https://cybersectools.com/companies/zerofox). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best Threat Intelligence Platform Solutions for Business](https://cybersectools.com/shortlists/best-threat-intelligence-platforms) picks Recorded Future Threat Intelligence, Google Threat Intelligence, CrowdStrike Falcon Adversary Intelligence and 4 more.

## Side-by-side comparison

| | Unit221B eWitness | ZeroFox Intelligence Search |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Threat Intel Platforms | Threat Intel Platforms |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | Enterprise, Mid-Market | SMB, Mid-Market, Enterprise |
| Company | Unit 221B | ZeroFox |
| Headquarters | – | – |

### Use cases and capabilities

| | Unit221B eWitness | ZeroFox Intelligence Search |
|---|---|---|
| Threat Research | Yes | – |
| Security Research | Yes | – |
| Investigation | Yes | – |
| Cyber Threat Intelligence | Yes | Yes |
| Dark Web Monitoring | Yes | Yes |
| Threat Feed | Yes | – |
| Data Breach | – | Yes |
| IOC | – | Yes |
| Threat Actors | – | Yes |
| Vulnerability Intelligence | – | Yes |

### Core features

**Unit221B eWitness**

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

**ZeroFox Intelligence Search**

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

### Integrations

**Unit221B eWitness**

No integrations listed.

**ZeroFox Intelligence Search**

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.

- [ZeroFox Intelligence Search](https://cybersectools.com/tools/zerofox-intelligence-search) fits if you are a small business.

## Unit221B eWitness vs ZeroFox Intelligence Search FAQ

Common questions when comparing Unit221B eWitness vs ZeroFox Intelligence Search for threat intel platforms.

### What is the difference between Unit221B eWitness and ZeroFox Intelligence Search?

**Unit221B eWitness**: Threat intel platform for discovering cybercrime on encrypted chat networks. Built by Unit 221B.

**ZeroFox Intelligence Search**: Threat intelligence search platform with correlated data graph. Built by ZeroFox.

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

### Who makes Unit221B eWitness and ZeroFox Intelligence Search?

**Unit221B eWitness** is made by Unit 221B. **ZeroFox Intelligence Search** is made by ZeroFox. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Unit221B eWitness a good alternative to ZeroFox Intelligence Search?

Often, yes. Unit221B eWitness and ZeroFox Intelligence Search are both Threat Intel Platforms products, and both cover Dark Web Monitoring, Cyber Threat Intelligence. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Unit221B eWitness vs Ninja Signal](https://cybersectools.com/compare/ninja-signal-vs-unit221b-ewitness)
- [Unit221B eWitness vs Cytellite Threat Intelligence](https://cybersectools.com/compare/cytellite-threat-intelligence-vs-unit221b-ewitness)
- [Unit221B eWitness vs Cypho](https://cybersectools.com/compare/cypho-vs-unit221b-ewitness)
- [ZeroFox Intelligence Search vs Ninja Signal](https://cybersectools.com/compare/ninja-signal-vs-zerofox-intelligence-search)
- [ZeroFox Intelligence Search vs Cytellite Threat Intelligence](https://cybersectools.com/compare/cytellite-threat-intelligence-vs-zerofox-intelligence-search)
- [ZeroFox Intelligence Search vs Cypho](https://cybersectools.com/compare/cypho-vs-zerofox-intelligence-search)

## Alternatives to each

- [See all Unit221B eWitness alternatives](https://cybersectools.com/alternatives/unit221b-ewitness)
- [See all ZeroFox Intelligence Search alternatives](https://cybersectools.com/alternatives/zerofox-intelligence-search)

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Source: https://cybersectools.com/compare/unit221b-ewitness-vs-zerofox-intelligence-search

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/unit221b-ewitness.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Unit221B eWitness and ZeroFox Intelligence Search: 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