About Cordier
Methodology:
I base my methodology on the reports and recommendations of the CIS (Center for Internet Security), the NIST and the French institution ANSSI.
Audit skills:
- Hardening (CIS benchmark , windows administrative template)
- Scripting and data analysis in python
- Network analysis (Wireshark, tcpdump,t-shark)
- Forensic (autopsy , volatility , gdb )
- Operating systems (Windows , Debian)
- Group work organization methods (agile, gantt)
- OSINT (Maltego , Dorking , Shodan)
Project in progress:
creation of a decentralized network of gps beacons, for the purpose of tracking a target.
Project done:
audit of public IP of a company of more than 1500 employees.
script of research of cve exploitable in python via the api shodan ( ).
French
Native or bilingual
English
Fluent
Can work on-site
Versailles (up to 50km)
Experience
- CORIDEReFreelance OT cybersecurity auditor and teacher.CONSULTING AND AUDITSOctober 2025 - Today (8 months)Paris, France
- Courses in various formats (from 3 hours to 5 days) ranging from beginner (Bachelor's) to advanced level (Master's) on industrial control systems security.
- Pentest and purple team assesment for industrial control environments.
- FORMINDCybersecurity AditorCONSULTING AND AUDITSJune 2025 - October 2025 (4 months)Paris, France
- Preliminary work for the creation of an industrial system-oriented SOC.
- Implementation of new detection rules on Elastic and Sentinel.
- Fine-tuning of detection rules, reduction of false positives.
- Creation of purple teams following technical audit results.
- Conducting a wide-ranging investigation and searching for traces indicating compromise or persistence on the information system.
- Ecole 2600Contract: creation of an ICS security training courseEDUCATION AND E-LEARNINGJanuary 2025 - April 2025 (3 months)Paris, FranceCreation of content and professional training on the subject of industrial control system safety.
- Training animations and presentations carried out for the Equans group (customer).
- GRC analysis integrations: IEC 62433 , NIST-SP 800-82, NIST2.
- Integration of practical case studies of attacks on industrial systems.
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Education
- Licence Pro ASSTRICNAM2021Réagir à une panne système, corriger une faille de sécurité, repérer et analyser une anomalie, conseiller des collaborateurs… Autant d’enjeux pour le futur analyste en sécurité. Construit sur de solides bases de transmission, d’architecture réseaux, d’administration systèmes et de développement informatique, le parcours de formation permet au futur technicien-analyste d’acquérir une vision synthétique des problématiques de sécurité dans tous les domaines de traitement de données.