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Attic M365 FREE is a commercial anti-phishing tool by Attic Security. Valimail Enforce is a commercial anti-phishing tool by Valimail. 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:
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.
Teams managing domain sprawl and unauthorized sender abuse will see immediate ROI from Valimail Enforce because it automates DMARC policy enforcement across thousands of sending services without manual DNS record juggling. The platform holds FedRAMP authorization and continuously monitors authentication status in real time, meaning your SOC stops chasing DMARC misconfigurations and starts catching actual spoofing attempts. Skip this if your organization has fewer than five email-sending domains or no phishing incidents tied to domain impersonation; the setup overhead won't justify the spend.
Protects Microsoft 365 users from phishing attacks using fake login pages
Automated DMARC enforcement platform for domain protection and email security
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Common questions about comparing Attic M365 FREE vs Valimail Enforce for your anti-phishing needs.
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..
Valimail Enforce: Automated DMARC enforcement platform for domain protection and email security. built by Valimail. headquartered in United States. Core capabilities include Automated DMARC enforcement and configuration, One-click authorization of email sending services, Instant SPF technology to overcome SPF record limits..
Both serve the Anti-Phishing market but differ in approach, feature depth, and target audience.
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