G2 Vendor Directory

KnowBe4 Email & Collaboration Security vs. Sublime Email Security Platform

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

MetricKnowBe4 Email & Collaboration Security

by KnowBe4, Inc.

Sublime Email Security Platform

by Sublime Security

Overall rating4.54.8
Review count7632
Ease of use8.99.3
Ease of setup8.99.6
Quality of support9.09.8
Meets requirements9.19.6
NPS69.86301490.625
Small Business29.7%3.8%
Mid-Market55.4%26.9%
Enterprise14.9%69.2%
Total page views596972
Total LLM citations1294,605

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

Sublime Email Security Platform

Sublime’s agentic platform stops more email attacks with less work. Our AI agents work like a digital SOC team in your environment, triaging and blocking advanced threats while adapting protections at adversary speed. It provides full transparency and automation by default, with control on demand for advanced teams, eliminating vendor bottlenecks or one-size-fits-all limits. Core Outcomes (The What): - Stop More Attacks with Fewer False Positives - block sophisticated threats (BEC, novel phishing, QR-based phishing) and reduce the false positives that waste time and disrupt workflows.

Pros

  • Ease of Use
  • Detection Efficiency
  • Easy Setup
  • Setup Ease
  • Customization
  • Reporting