KnowBe4 Cloud Email Security vs Proofpoint Core Email Protection: side-by-side comparison (2026)

KnowBe4 Cloud Email Security: AI-driven email security platform for Microsoft 365 inbound/outbound threats. Built by KnowBe4.

Proofpoint Core Email Protection: Email security platform with AI-based threat detection and DLP capabilities. Built by Proofpoint.

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

KnowBe4 Cloud Email Security is made by KnowBe4. Proofpoint Core Email Protection is made by Proofpoint. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. KnowBe4 Cloud Email Security and Proofpoint Core Email Protection are both Email Security Platforms products. Use the table above to see where features, deployment and company size fit differ.