# Keepnet Incident Responder vs Phishing Catcher: side-by-side comparison (2026)

[Keepnet Incident Responder](https://cybersectools.com/tools/keepnet-incident-responder) is a commercial [anti-phishing](https://cybersectools.com/categories/anti-phishing) solution by [Keepnet Labs](https://cybersectools.com/companies/keepnet-labs). [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

| | Keepnet Incident Responder | Phishing Catcher |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Anti-Phishing | Anti-Phishing |
| Verified | No | No |
| Deployment type | Hybrid | On-Premises |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| GitHub stars | – | 1,757 |
| Last commit | – | Dec 2020 |
| Company | Keepnet Labs | – |
| Headquarters | – | – |

### Use cases and capabilities

| | Keepnet Incident Responder | Phishing Catcher |
|---|---|---|
| Sandbox | Yes | – |
| TLS | – | Yes |

### Core features

**Keepnet Incident Responder**

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

**Phishing Catcher**

No features listed.

### Integrations

**Keepnet Incident Responder**

8 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.

- [Keepnet Incident Responder](https://cybersectools.com/tools/keepnet-incident-responder) fits if you need both cloud and on-premises options.
- [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.

## Keepnet Incident Responder vs Phishing Catcher FAQ

Common questions when comparing Keepnet Incident Responder vs Phishing Catcher for anti-phishing.

### What is the difference between Keepnet Incident Responder and Phishing Catcher?

**Keepnet Incident Responder**: AI-powered email incident response platform for phishing threat detection. Built by Keepnet Labs.

**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 Keepnet Incident Responder and Phishing Catcher?

**Keepnet Incident Responder** is made by Keepnet Labs. **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 Keepnet Incident Responder a good alternative to Phishing Catcher?

Often, yes. Keepnet Incident Responder and Phishing Catcher are both Anti-Phishing products. Key differences: Keepnet Incident Responder 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

- [Keepnet Incident Responder vs TitanHQ PhishTitan](https://cybersectools.com/compare/keepnet-incident-responder-vs-titanhq-phishtitan)
- [Keepnet Incident Responder vs Joe Sandbox Mail Monitor](https://cybersectools.com/compare/joe-sandbox-mail-monitor-vs-keepnet-incident-responder)
- [Keepnet Incident Responder vs Cofense Phishing Remediation](https://cybersectools.com/compare/cofense-phishing-remediation-vs-keepnet-incident-responder)
- [Phishing Catcher vs TitanHQ PhishTitan](https://cybersectools.com/compare/phishing-catcher-vs-titanhq-phishtitan)
- [Phishing Catcher vs Joe Sandbox Mail Monitor](https://cybersectools.com/compare/joe-sandbox-mail-monitor-vs-phishing-catcher)
- [Phishing Catcher vs Cofense Phishing Remediation](https://cybersectools.com/compare/cofense-phishing-remediation-vs-phishing-catcher)

## Alternatives to each

- [See all Keepnet Incident Responder alternatives](https://cybersectools.com/alternatives/keepnet-incident-responder)
- [See all Phishing Catcher alternatives](https://cybersectools.com/alternatives/phishing-catcher)

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Source: https://cybersectools.com/compare/keepnet-incident-responder-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/keepnet-incident-responder.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Keepnet Incident Responder 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