KnowBe4 DefendTM Advanced Inbound Email Threat Defense is a commercial Anti-Phishing solution by KnowBe4. PhishingBox KillPhish is a commercial Anti-Phishing solution by PhishingBox. Features, integrations, deployment and the company behind each one, side by side.
AI-powered email security detecting phishing attacks missed by traditional tools
Email threat scanning and reporting add-in for Microsoft 365 and Google
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Based on what each listing shows: deployment, company size, price and open source.
PhishingBox KillPhish fits if you are a startup.
Common questions when comparing KnowBe4 DefendTM Advanced Inbound Email Threat Defense vs PhishingBox KillPhish for Anti-Phishing.
KnowBe4 DefendTM Advanced Inbound Email Threat Defense: AI-powered email security detecting phishing attacks missed by traditional tools, built by KnowBe4.
PhishingBox KillPhish: Email threat scanning and reporting add-in for Microsoft 365 and Google, built by PhishingBox.
The table above shows where their features, integrations, deployment and company size fit differ.
KnowBe4 DefendTM Advanced Inbound Email Threat Defense is made by KnowBe4. PhishingBox KillPhish is made by PhishingBox. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. KnowBe4 DefendTM Advanced Inbound Email Threat Defense and PhishingBox KillPhish are both Anti-Phishing products. Use the table above to see where features, deployment and company size fit differ.
No Anti-Phishing shortlist yet. This is the closest one.
Updated 2026-11-02
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