o365-attack-toolkit vs VinCSS Penetration Testing: side-by-side comparison (2026)

o365-attack-toolkit: A toolkit to attack Office365, including tools for password spraying, password cracking, token manipulation, and exploiting vulnerabilities in Office365 APIs and services.

VinCSS Penetration Testing: Built by VinCSS.

The table above shows where their features, integrations, deployment and company size fit differ.

o365-attack-toolkit is open-source with 1,116 GitHub stars. VinCSS Penetration Testing is made by VinCSS. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. o365-attack-toolkit and VinCSS Penetration Testing are both Penetration Testing products, and both cover Reconnaissance. Key differences: o365-attack-toolkit is Free while VinCSS Penetration Testing is Commercial, o365-attack-toolkit is open-source. Use the table above to see where features, deployment and company size fit differ.