Thomas Seigneuret
Red Team Operator
Greater Paris Metropolitan Region France
Summary
🤩
Rockstar🎓
Top SchoolThomas Seigneuret is a Red Team Operator based in Greater Paris with five years of hands-on offensive security experience across consulting and corporate SOC environments. He progressed from application security and mobile/web development into penetration testing roles at Orange Cyberdefense and Login Sécurité, and now performs adversary simulation at AXA Group Operations. Technically fluent in Python, Rust, Go and Docker, he contributes to prominent open-source tooling—most notably improving Kerberos support in the widely used CrackMapExec pentest framework. Thomas blends deep protocol-level tinkering with practical attack tradecraft, often surfacing subtle authentication edge cases that impact enterprise environments. He holds a Master's in Computer Science from SUPINFO and brings both developer discipline and red-team creativity to complex security assessments.
5 years of coding experience
L2 Informatique, L2 Informatique at Université Paris CitéMaster's degree Informatique, Master's degree Informatique at SUPINFO
Github Skills (17)
python10
kerberos10
authentication10
authenticate10
smb10
active-directory10
mssql10
pentesting10
pentest10
auth10
ldap9
security9
it-security9
powershell8
network8
Programming languages (3)
Github contributions (5)
byt3bl33d3r/CrackMapExec
Oct 2022 - Oct 2022
A swiss army knife for pentesting networks
Role in this project:
Security Engineer
Security EngineerContributions:1 review, 7 commits, 5 PRs in 4 days
Contributions summary:Thomas primarily focused on enhancing Kerberos authentication mechanisms within the CrackMapExec framework. They modified multiple files, including connection, SMB, MSSQL, and LDAP protocol implementations, to improve Kerberos integration and output formatting. The changes involved parameter name adjustments, bug fixes, and modifications to handle Kerberos authentication with MS SQL servers. Their contributions also extended to adapting credential output to reflect the authentication method used.
swisspythonwindowsnetworksarmy
zblurx/acltoolkit
Jan 2022 - Jan 2023
ACL abuse swiss-knife
Contributions:1 review, 34 commits, 3 PRs in 11 months
swissabuseaclknife
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.