Attic M365 FREE vs IronVest InboxGuard: Side-by-Side Comparison (2026)

Attic M365 FREE: Protects Microsoft 365 users from phishing attacks using fake login pages. built by Attic Security. 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..

IronVest InboxGuard: AI-powered email security with phishing detection and employee training. built by IronVest. Core capabilities include AI-powered email analysis with red, yellow, and green threat indicators, Real-time email labeling without blocking messages, Security awareness training with 100+ modules covering ISO, NIST, PCI DSS, GDPR, and HIPAA..

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

Attic M365 FREE differentiates with 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. IronVest InboxGuard differentiates with AI-powered email analysis with red, yellow, and green threat indicators, Real-time email labeling without blocking messages, Security awareness training with 100+ modules covering ISO, NIST, PCI DSS, GDPR, and HIPAA.

Attic M365 FREE is developed by Attic Security. IronVest InboxGuard is developed by IronVest. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Attic M365 FREE and IronVest InboxGuard serve similar Anti-Phishing use cases: both are Anti-Phishing tools, both cover Office 365. Review the feature comparison above to determine which fits your requirements.