Egress Defend is a commercial Anti-Phishing solution by KnowBe4. Havoc Shield Mail Armor Email Security is a commercial Anti-Phishing solution by Havoc Shield. Features, integrations, deployment and the company behind each one, side by side.
AI-powered anti-phishing solution for Microsoft 365 with behavioral detection
Email scanning service that analyzes forwarded suspicious emails for threats.
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Based on what each listing shows: deployment, company size, price and open source.
Egress Defend fits if you are a mid-market company or an enterprise.
Havoc Shield Mail Armor Email Security fits if you are a startup.
Common questions when comparing Egress Defend vs Havoc Shield Mail Armor Email Security for Anti-Phishing.
Egress Defend: AI-powered anti-phishing solution for Microsoft 365 with behavioral detection, built by KnowBe4.
Havoc Shield Mail Armor Email Security: Email scanning service that analyzes forwarded suspicious emails for threats, built by Havoc Shield.
The table above shows where their features, integrations, deployment and company size fit differ.
Egress Defend is made by KnowBe4. Havoc Shield Mail Armor Email Security is made by Havoc Shield. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Egress Defend and Havoc Shield Mail Armor Email Security are both Anti-Phishing products. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-01
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