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EAST Anti-Phishing Tool is a free anti-phishing tool by Eye Security. GhostGuard is a commercial anti-phishing tool by Ghostly Solutions. Compare features, ratings, integrations, and community reviews side by side to find the best anti-phishing fit for your security stack.
CST VerdictBased on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Microsoft 365 administrators managing credential phishing at organizations under 5,000 users will find real value in EAST Anti-Phishing Tool because the CSS-based deployment model actually stops phishing pages from rendering correctly on your own login portal, blocking the attack before users even type credentials. The free model with no per-seat licensing means you get Entra-native protection without budget negotiation; deployment takes under an hour through the portal interface. Skip this if your environment runs hybrid identity systems outside pure Entra or if you need detection and response capabilities beyond the login page itself.
Startup and SMB security teams drowning in phishing reports will see immediate ROI from GhostGuard's browser-level detection; it stops credential theft before users even type a password. The tool covers both PR.AA (blocking fake login pages) and PR.DS (detecting payment flow manipulation), which means it actually prevents the attack rather than just logging it. Skip this if your workforce is mostly off-browser or you need endpoint-wide protection beyond Chrome and Safari; GhostGuard is deliberately narrow in scope, which is precisely why it works.
Free anti-phishing tool for M365 that deploys via a custom CSS file in Entra.
Browser extension for real-time phishing & impersonation detection with AI warnings.
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Common questions about comparing EAST Anti-Phishing Tool vs GhostGuard for your anti-phishing needs.
EAST Anti-Phishing Tool: Free anti-phishing tool for M365 that deploys via a custom CSS file in Entra. built by Eye Security. headquartered in Netherlands. 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..
GhostGuard: Browser extension for real-time phishing & impersonation detection with AI warnings. built by Ghostly Solutions. Core capabilities include Real-time website monitoring for phishing indicato, AI-assisted risk explanations for triggered warnin, Domain reputation and WHOIS analysis (domain age, ..
Both serve the Anti-Phishing market but differ in approach, feature depth, and target audience.
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