PhishFirewall PhishEQ vs PhishingBox KillPhish: Side-by-Side Comparison (2026)

PhishFirewall PhishEQ: API-based email security for M365/Google with auto-retraction of phishing threats. built by PhishFirewall. Core capabilities include API-based deployment to M365 and Google Workspace with no MX record changes, AI-driven email analysis using sentiment, tone, urgency, and linguistic fingerprinting, Automated email retraction from all affected inboxes in under 1 second..

PhishingBox KillPhish: Email threat scanning and reporting add-in for Microsoft 365 and Google. built by PhishingBox. Core capabilities include AI-powered email threat scanning and analysis, Email risk scoring based on multiple threat indicators, Phishing email reporting button for users..

Both serve the Anti-Phishing market but differ in approach, feature depth, and target audience.

PhishFirewall PhishEQ differentiates with API-based deployment to M365 and Google Workspace with no MX record changes, AI-driven email analysis using sentiment, tone, urgency, and linguistic fingerprinting, Automated email retraction from all affected inboxes in under 1 second. PhishingBox KillPhish differentiates with AI-powered email threat scanning and analysis, Email risk scoring based on multiple threat indicators, Phishing email reporting button for users.

PhishFirewall PhishEQ is developed by PhishFirewall. PhishingBox KillPhish is developed by PhishingBox. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

PhishFirewall PhishEQ integrates with Microsoft 365, Google Workspace. PhishingBox KillPhish integrates with Microsoft 365, Google Workspace, Outlook, PhishingBox Phishing Simulator. Check integration compatibility with your existing security stack before deciding.

PhishFirewall PhishEQ and PhishingBox KillPhish serve similar Anti-Phishing use cases: both are Anti-Phishing tools, both cover Microsoft 365. Review the feature comparison above to determine which fits your requirements.