G2 Vendor Directory

Zix Email Threat Protection vs. KnowBe4 Email & Collaboration Security

A side-by-side comparison based on G2 review data.

MetricZix Email Threat Protection

by OpenText

KnowBe4 Email & Collaboration Security

by KnowBe4, Inc.

Overall rating4.64.5
Review count1176
Ease of use9.28.9
Ease of setup8.48.9
Quality of support9.09.0
Meets requirements9.29.1
NPS81.81818269.863014
Small Business36.4%29.7%
Mid-Market45.5%55.4%
Enterprise18.2%14.9%
Total page views90596
Total LLM citations44129

Zix Email Threat Protection

Zix Email Threat Protection takes out the guess work with protection from ransomware, malware, spearphishing, and more to keep your email, employees, and business safe from the latest threats.

Pros

    KnowBe4 Email & Collaboration Security

    KnowBe4 Email & Collaboration Security is the AI-native defense suite built to protect every conversation across Microsoft 365 and Google Workspace. Combining multi-engine behavioral AI with real-time user coaching, the platform stops inbound threats, prevents outbound data loss, and automates SOC response across the security lifecycle. Key Capabilities: - Inbound Protection (Defend): Multi-engine AI blocks zero-payload BEC, executive impersonation, quishing, and prompt injections that pass native mail filters.

    Pros

    • Email Security
    • Protection
    • Ease of Use
    • Customer Support
    • Detection Efficiency
    • Setup Ease