EAST Anti-Phishing Tool vs Egress Defend: Side-by-Side Comparison (2026)

EAST Anti-Phishing Tool: Free anti-phishing tool for M365 that deploys via a custom CSS file in Entra. built by Eye Security. Core capabilities include Credential phishing protection for Microsoft 365 environments, Custom CSS file deployment via Microsoft Entra Portal, Email-based delivery of installation instructions and CSS file..

Egress Defend: AI-powered anti-phishing solution for Microsoft 365 with behavioral detection. built by Egress. Core capabilities include Behavioral AI-based phishing detection, Natural language processing for email intent analysis, Machine learning user behavior baselines..

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

EAST Anti-Phishing Tool differentiates with Credential phishing protection for Microsoft 365 environments, Custom CSS file deployment via Microsoft Entra Portal, Email-based delivery of installation instructions and CSS file. Egress Defend differentiates with Behavioral AI-based phishing detection, Natural language processing for email intent analysis, Machine learning user behavior baselines.

EAST Anti-Phishing Tool is developed by Eye Security. Egress Defend is developed by Egress. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

EAST Anti-Phishing Tool integrates with Microsoft 365, Microsoft Entra. Egress Defend integrates with Microsoft 365, Microsoft Outlook, Microsoft Safelinks, SIEM, SOAR and 1 more. Check integration compatibility with your existing security stack before deciding.

EAST Anti-Phishing Tool and Egress Defend serve similar Anti-Phishing use cases: both are Anti-Phishing tools, both cover Microsoft 365. Key differences: EAST Anti-Phishing Tool is Free while Egress Defend is Commercial. Review the feature comparison above to determine which fits your requirements.