Allseek vs o365-attack-toolkit: Side-by-Side Comparison (2026)

Allseek: Open-source autonomous penetration testing platform. built by Allseek. Core capabilities include Autonomous penetration testing execution, Open-source codebase..

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..

Both serve the Penetration Testing market but differ in approach, feature depth, and target audience.

Allseek is developed by Allseek. o365-attack-toolkit is open-source with 1,116 GitHub stars. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Allseek and o365-attack-toolkit serve similar Penetration Testing use cases: both are Penetration Testing tools, both cover Reconnaissance. Key differences: o365-attack-toolkit is open-source. Review the feature comparison above to determine which fits your requirements.