Attic M365 FREE vs Guardio Safe Browsing: 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..

Guardio Safe Browsing: AI-based real-time security engine for blocking web threats in browsers & agents. built by Guardio. Core capabilities include AI-based page content and behavior analysis, Real-time threat detection with 10-30ms verdict latency, Phishing, scam, fraud, and data exfiltration blocking..

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. Guardio Safe Browsing differentiates with AI-based page content and behavior analysis, Real-time threat detection with 10-30ms verdict latency, Phishing, scam, fraud, and data exfiltration blocking.

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

Attic M365 FREE and Guardio Safe Browsing serve similar Anti-Phishing use cases: both are Anti-Phishing tools, both cover Browser Security. Review the feature comparison above to determine which fits your requirements.