About Sébastien
French
Native or bilingual
English
Fluent
Experience
- CdiscountSecurity EngineerApril 2023 - July 2025 (2 years and 3 months)❖ Internal and partner penetration testing; WAF and EDR bypass❖ Phishing campaign (awareness); PCI-DSS renewal with GRC❖ R&D and development of business tools; mentoring junior pentesters
- AdvensPentesterAugust 2022 - January 2023 (5 months)❖ Penetration testing and configuration audits (CIS benchmark and ANSSI guide), infrastructure and code
- Institut Polytechnique de ParisDoctoral ResearcherOctober 2017 - December 2020 (3 years and 2 months)○ Worked on side-channel attacks (attacks on cache memories exploiting variations in cryptographic computation times) and fault injection attacks (Rowhammer, Piret Attack) to recover sensitive information.○ Development of analysis tools using machine learning algorithms.○ Development of a dynamic analysis tool searching for code patterns inducing vulnerabilities.○ Simulation of fault injection attacks: analyses on assembly.○ Publications and presentation of scientific papers at various international conferences.
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Education
- Master's DegreeUniversity of Bordeaux2015Sécurité informatique et cryptologie.
- Bachelor's Degree in Mathematics and Computer ScienceParis Sud 11 - Orsay2013
Certifications
- OSCPOffensive-Security2022