William Le Berre
Chief Technology Officer at BZHunt
Greater Rennes Metropolitan Area France
Summary
👤
Senior🎓
Top SchoolWilliam Le Berre is a hands-on cybersecurity researcher and CTO with a decade of experience building offensive security capabilities and aligning technical teams to client needs. Based in Greater Rennes, he moved from pentesting and security consultancy into leading BZHunt’s technical vision, drawing on deep practical skills from roles in infrastructure, IT leadership and secure development. He has contributed backend and database enhancements to widely used pentesting tooling like CrackMapExec, reflecting expertise in SMB/Active Directory attack and telemetry workflows. Trained at CentraleSupélec and IMIE, he blends formal cybersecurity specialization with system and software engineering foundations. Driven since childhood by solving problems that likely have no ready answer, he pairs curiosity-driven research with pragmatic delivery for real-world security challenges.
10 years of coding experience
Mastère Spécialisé® CyberSécurité Informatique, Mastère Spécialisé® CyberSécurité Informatique at CentraleSupélecResponsable d'Infrastructure Systèmes et Réseaux (Bac +4) Administration de / administrateur réseaux et systèmes, Responsable d'Infrastructure Systèmes et Réseaux (Bac +4) Administration de / administrateur réseaux et systèmes at IMIEBTS SIO Solutions D'Infrastructure Systèmes Et Réseaux, BTS SIO Solutions D'Infrastructure Systèmes Et Réseaux at Chambre Des Métiers De Bruz
French, English
Github Skills (10)
active-directory10
smb10
python10
networking9
sql9
network9
net9
pentesting8
pentest8
database-design8
Programming languages (15)
Github contributions (5)
byt3bl33d3r/CrackMapExec
Mar 2022 - Mar 2022
A swiss army knife for pentesting networks
Role in this project:
Back-end & Database Engineer
Back-end & Database EngineerContributions:5 commits, 1 PR in 1 day
Contributions summary:William primarily contributed to the backend functionality of the `crackmapexec` repository. Their work focused on updating the `smb.py` and `database.py` files, suggesting involvement in the SMB protocol implementation and database management. The commits involve database schema updates, adding computer information, and modifying update queries. These contributions likely enhance the tool's ability to interact with and analyze network resources, specifically Active Directory environments, which aligns with the repository's focus.
swisspythonwindowsnetworksarmy
ZephrFish/rengine
Jul 2020 - Sep 2020
reNgine is an automated reconnaissance framework meant for gathering information during penetration testing of web applications. reNgine has customizable scan engines, which can be used to scan the websites, endpoints, and gather information.
Contributions:9 commits in 1 month
scanbugbountyendpointsgatherosint
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