Renaud Dubourguais - Offensive Security Lead at Hermès

Renaud Dubourguais

Offensive Security Lead at Hermès

Greater Paris Metropolitan Region France

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Summary

👤

Senior

🎓

Top School

Renaud Dubourguais is an experienced offensive security leader with 11 years of hands-on pentesting and research, now shaping security operations and strategy for Hermès after a multi-year leadership tenure at Synacktiv. He has led large technical teams, designed company-wide workflows and financial reporting, and bridged pre-sales, R&D and delivery for penetration testing, reverse engineering, software development and incident response. Deeply technical and practical, Renaud has delivered advanced trainings, mentored juniors, and contributed to notable open-source security tooling like Impacket by adding Unicode support to the SMBv1 stack. Comfortable moving between board-level strategy and packet-level protocol work, he combines engineering rigor with operational acumen to scale security services for complex environments.

10 years of coding experience

Master 2 Pro Information System Security, Master 2 Pro Information System Security at Université de Rouen

Engineer Information System Architecture, Engineer Information System Architecture at Institut national des Sciences appliquées de Rouen

DUT Génie informatique, DUT Génie informatique at IUT de Caen

Github Skills (9)

smb10

python10

network-protocol10

impacket10

unicode10

filesystem9

rpc8

drpc8

dce8

Programming languages (2)

ShellPython

Github contributions (5)

fortra/impacket

Jun 2015 - Jun 2015

Impacket is a collection of Python classes for working with network protocols.

Role in this project:

Back-end Developer

Contributions:14 commits, 1 PR, 6 comments in 4 days

Contributions summary:Renaud focused on integrating Unicode support within the SMBv1 stack, demonstrating a deep understanding of network protocols. They made significant changes to the `smb.py` and `smbconnection.py` files, adapting the code to handle Unicode encoding for file paths and filenames. The contributions include modifications to handle Unicode in SMB commands and structures like `SMBOpen_Data` and `SMBNtCreateAndX_Data`, with associated flags and padding. They also refactored the code and improved SMB header's flags management.

pythonwmipass-the-hashnetconfclasses-python

rdubourguais/scapy

Jun 2016 - Jun 2016

Contributions:2 pushes in 8 days

manipulationpythonscapypython3packet

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