Keepnet Incident Responder is a commercial anti-phishing solution by Keepnet Labs. Phishing Catcher is a free anti-phishing solution. Features, integrations, deployment and the company behind each one, side by side.
AI-powered email incident response platform for phishing threat detection
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.
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Based on what each listing shows: deployment, company size, price and open source.
Keepnet Incident Responder fits if you need both cloud and on-premises options.
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.
Common questions when comparing Keepnet Incident Responder vs Phishing Catcher for anti-phishing.
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.
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.
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.
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Updated 2026-11-02
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