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EAST Anti-Phishing Tool is a free anti-phishing tool by Eye Security. Attic M365 FREE is a commercial anti-phishing tool by Attic Security. 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 protecting Microsoft 365 will benefit most from Attic M365 FREE because it stops AiTM phishing attacks that bypass MFA, the attack class traditional email filters miss entirely. The tool deploys in five minutes with no payment required, making it immediately useful for resource-constrained teams, and its real-time detection of fake login pages covers both NIST PR.AA and DE.CM functions simultaneously. Skip this if your organization needs protection beyond Microsoft 365 or runs a heterogeneous SaaS stack; Attic is deliberately focused on one platform and one threat vector.
Free anti-phishing tool for M365 that deploys via a custom CSS file in Entra.
Protects Microsoft 365 users from phishing attacks using fake login pages
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Common questions about comparing EAST Anti-Phishing Tool vs Attic M365 FREE 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..
Attic M365 FREE: Protects Microsoft 365 users from phishing attacks using fake login pages. built by Attic Security. headquartered in Netherlands. Core capabilities include Real-time detection of fake Microsoft 365 login pages, Red alarm screen warning when accessing fraudulent pages, Authenticity seal display on official Microsoft 365 login pages..
Both serve the Anti-Phishing market but differ in approach, feature depth, and target audience.
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