# Egress Defend vs Phishing Catcher: side-by-side comparison (2026)

[Egress Defend](https://cybersectools.com/tools/egress-defend) is a commercial [anti-phishing](https://cybersectools.com/categories/anti-phishing) solution by [KnowBe4](https://cybersectools.com/companies/knowbe4). [Phishing Catcher](https://cybersectools.com/tools/phishing-catcher) is a free [anti-phishing](https://cybersectools.com/categories/anti-phishing) solution. Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Egress Defend | Phishing Catcher |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Anti-Phishing | Anti-Phishing |
| Verified | No | No |
| Deployment type | Cloud | On-Premises |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| GitHub stars | – | 1,757 |
| Last commit | – | Dec 2020 |
| Company | KnowBe4 | – |
| Headquarters | – | – |

### Use cases and capabilities

| | Egress Defend | Phishing Catcher |
|---|---|---|
| Microsoft 365 | Yes | – |
| Natural Language Processing | Yes | – |
| TLS | – | Yes |

### Core features

**Egress Defend**

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

**Phishing Catcher**

No features listed.

### Integrations

**Egress Defend**

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

**Phishing Catcher**

No integrations listed.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Egress Defend](https://cybersectools.com/tools/egress-defend) fits if you want a cloud product.
- [Phishing Catcher](https://cybersectools.com/tools/phishing-catcher) fits if you need to run it on your own servers, you are a startup, you need a free product and you want an open-source product.

## Egress Defend vs Phishing Catcher FAQ

Common questions when comparing Egress Defend vs Phishing Catcher for anti-phishing.

### What is the difference between Egress Defend and Phishing Catcher?

**Egress Defend**: AI-powered anti-phishing solution for Microsoft 365 with behavioral detection. Built by KnowBe4.

**Phishing Catcher**: Catch possible phishing domains in near real time by looking for suspicious TLS certificate issuances reported to the Certificate Transparency Log (CTL) via the CertStream API.

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

### Who makes Egress Defend and Phishing Catcher?

**Egress Defend** is made by KnowBe4. **Phishing Catcher** is open-source with 1,757 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Egress Defend a good alternative to Phishing Catcher?

Often, yes. Egress Defend and Phishing Catcher are both Anti-Phishing products. Key differences: Egress Defend is Commercial while Phishing Catcher is Free, Phishing Catcher is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Egress Defend vs Cybersentriq Advanced Phishing Protection](https://cybersectools.com/compare/cybersentriq-advanced-phishing-protection-vs-egress-defend)
- [Egress Defend vs TitanHQ PhishTitan](https://cybersectools.com/compare/egress-defend-vs-titanhq-phishtitan)
- [Egress Defend vs GreatHorn Mailbox Intelligence](https://cybersectools.com/compare/egress-defend-vs-greathorn-mailbox-intelligence)
- [Phishing Catcher vs Cybersentriq Advanced Phishing Protection](https://cybersectools.com/compare/cybersentriq-advanced-phishing-protection-vs-phishing-catcher)
- [Phishing Catcher vs TitanHQ PhishTitan](https://cybersectools.com/compare/phishing-catcher-vs-titanhq-phishtitan)
- [Phishing Catcher vs GreatHorn Mailbox Intelligence](https://cybersectools.com/compare/greathorn-mailbox-intelligence-vs-phishing-catcher)

## Alternatives to each

- [See all Egress Defend alternatives](https://cybersectools.com/alternatives/egress-defend)
- [See all Phishing Catcher alternatives](https://cybersectools.com/alternatives/phishing-catcher)

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Source: https://cybersectools.com/compare/egress-defend-vs-phishing-catcher

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

More on Egress Defend and Phishing Catcher: 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