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Etienne L.EL

Etienne L.

Cybersecurity - Artificial Intelligence Consultant

€700/day
Paris, FR
8-15 years
R&D Adversarial machine learning.
Python
Vulnerability Assessment
ATLAS MITRE Mapping
Cyber Threat Intelligence

Average response time: 1 hour

Freelancer profile translated to English.
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About Etienne

Passionate about offensive security in IT and telecommunications, I have been informing myself and studying these subjects with determination for over fifteen years, both professionally and notably as a self-taught individual. Naturally curious and highly motivated, I have a strong taste for challenges and learning new technologies and communication protocols.
Aerospace
Public Sector
IoT (Internet of Things)
Telecommunications
Consulting and Audits

  • French

    Native or bilingual

  • English

    Conversational

Remote only
Primarily works remotely

Experience

  • Freelance Cybersecurity / Artificial Intelligence
    Cybersecurity / Artificial Intelligence Consultant
    October 2025 - Today (10 months)
    Paris, France
    - R&D Adversarial machine learning.

    - Edge AI:
    Dev interne et Déploiement on-device APK, Android with embedded LiteRT-LM Models and full Adversarial machine learning capacities.

    - Orchestration of specialized agents:
    Internal PoC of Deep-Thinking, specialized agents with CoT, ReACT, and ToT.


    - Model deployment:
    NVIDIA TensorRT, vLLM, Ollama with custom ModelFiles.

    - Optimization: Quantization (GPTQ, AWQ, GGUF), inference optimization, batch processing.

    - Advanced RAG: ChromaDB + adaptive chunking and reranking techniques.

    - Fine-tuning with LoRA/QLoRA. (Axolotl, Unsloth).

    - Function calling: Mastery of native LLM tools and API calling (LiteLLM, OpenAI, Anthropic).

    - Cyber Threat Intelligence.

    - Trainer for cybersecurity analysts.

    - BugBounty.
    LLM Fine-tuning R&D Adversarial machine learning Orchestration of specialized agents Advanced RAG
  • E.L Consult
    Cybersecurity Consultant
    CONSULTING AND AUDITS
    April 2021 - Today (5 years and 4 months)
    Paris, France
    • Research and Development.
    • Local Large Language Models (LLMs) Using Retrieval Augmented Generation (RAG)
    • Development of an OSINT solution in the field of Aerospace Cybersecurity
    • Cybersecurity Consulting.
    • Attack Surface Assessment.
    • Training for Cybersecurity Analysts.
    • Cyber Threat Intelligence.
    • Daily monitoring of attack vectors (tools, techniques) deployed by attackers.
    Exploit development: Binwalk v2.3.2 - Remote Command Execution (RCE) Exploit development: Ghidra (Linux) 9.0.4 - .gar Arbitrary Code Execution Exploit development: LibreOffice LibreLogo arbitrary script execution Python Local Large Language Models (LLMs) Using Retrieval Augmented Generation (RAG) MITRE ATT&CK Mapping External Attack Surface Assessment Space-based OSINT Skills
  • Weakspot
    Cyber Threat Intelligence Analyst
    June 2020 - December 2020 (6 months)
    Paris, France
    - Daily monitoring of attack vectors (tools, techniques, etc.) deployed by attackers.
    - Research, prototyping of new modules/tools oriented towards pentesting.
    - Establishment of an internal Cyber Threat Intelligence mailing list.
    - Implementation of new indicators for the Weakspot platform.
    Cyber Threat Intelligence EASM (External Attack Surface Management) Research and Development R&D Python
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Education

  • CDAISI
    IUT
    2012
    Licence Professionnelle Cyberdéfense et Anti-Intrusion des Systèmes Informatiques. L’objectif de la licence professionnelle CDAISI est de fournir les compétences techniques et organisationnelles nécessaires à la réalisation d’audits de sécurité et de sécurisation de Systèmes Informatiques d’entreprises.
  • Summer School "Defense & Space"
    Sciences Po Bordeaux
    2024
    Activités et associations : Ce dispositif universitaire s’appuie sur un partenariat entre Sciences Po Bordeaux, l’université de Bordeaux et des donateurs (ArianeGroup, CEA/DAM, Dassault Aviation, Safran, Thales). Pour ce faire, elle est juridiquement portée par la fondation Bordeaux université.Activités et associations : Ce dispositif universitaire s’appuie sur un partenariat entre Sciences Po Bordeaux, l’université de Bordeaux et des donateurs (ArianeGroup, CEA/DAM, Dassault Aviation, Safran, Thales). Pour ce faire, elle est juridiquement portée par la fondation Bordeaux université. Créée par la chaire « Défense & Aérospatial », l’École d’été « Défense & Espace » a pour objectif de partager, selon une approche globale et pluridisciplinaire, la connaissance sur la place du spatial dans la sécurité internationale et d’éveiller ses auditrices et auditeurs aux enjeux et défis que ce nouveau champ opérationnel et de conflictualité pourrait constituer au XXIème siècle. Elle aborde aussi la façon dont la France, l’UE et l'Alliance transatlantique (OTAN) conçoivent son usage pour se protéger ou se mettre en posture d’actions politiques et opérationnelles. Enfin, elle traite de la dimension économique du spatial de défense et permet de découvrir la base industrielle et technologique de défense (BITD) spatiale, nationale et européenne.

Certifications

Etienne's certifications are only visible to Malt Community members

Skill set

Cybersecurity Engineer
Exploit development: Binwalk v2.3.2 - Remote Command Execution (RCE)
Exploit development: Ghidra (Linux) 9.0.4 - .gar Arbitrary Code Execution
Exploit development: LibreOffice LibreLogo arbitrary script execution
MITRE ATT&CK Mapping
Space-based OSINT Skills
EASM (External Attack Surface Management)
Research and Development R&D
External Attack Surface Assessment
SPARTA Mapping
Attack Surface Assessment

Categories