Majestic Million vs OWASP Amass: 2026 Comparison
Majestic Million is a free external attack surface management tool. OWASP Amass is a free external attack surface management tool. Compare features, ratings, integrations, and community reviews side by side to find the best external attack surface management fit for your security stack.
CST VerdictBased on our analysis of available product data, here is our conclusion:
Competitive intelligence teams and threat researchers mapping attacker infrastructure will find Majestic Million's free access to the top one million websites ranked by referring subnet topology invaluable for understanding which domains carry outsized influence in the threat ecosystem. The dataset has been public since 2012 and powers reconnaissance workflows across security firms and bug bounty platforms. This is not a replacement for active scanning or vulnerability assessment; it's a passive reference layer for prioritizing which internet properties matter most when you're building your external attack surface inventory.
Security teams building external attack surface inventories on tight budgets should start with OWASP Amass; it maps networks and discovers assets using open-source intelligence faster than manual reconnaissance and costs nothing to deploy. The tool's 14,260 GitHub stars reflect sustained community validation across Fortune 500 deployments. Skip Amass if you need managed threat intelligence feeds, API integrations with your existing EASM platform, or hands-off automation; it requires manual tuning and operator skill to extract signal from the noise it generates.
