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Youri GilignyYG

Youri Giligny

Supermalter

DFIR Analyst - CERT/CSIRT

€850/day
16 projects
Paris, FR
8-15 years

Average response time: 1 hour

About Youri

Blue Team action man evolving in Cybersecurity with 6 CERT experiences.
I am passionate about security investigations, digital forensics (DFIR), Threat Hunting, malware analysis, purple teaming, OSINT and CTI.
Discovering, learning and practicing new subjects are thrilling me !

I have a thorough vision of working as a team, helping everyone on different fields, sharing knowledge as possible and all my ideas filling always a long to-do list regarding an emergency level.
  • French

    Native or bilingual

  • English

    Fluent

  • Russian

    Basic

  • Spanish

    Basic

Can work on-site
Paris (up to 50km)

Experience

  • Energy sector
    CERT DFIR & Threat Hunting analyst | Energy sector
    November 2024 - Today (1 year and 7 months)
    Paris, France
    - Lead technical investigations across a variety of environments, platforms and operating systems
    - Threat hunting and threat analysis (CTI)
    - DataLeak investigations
    - Purple teaming
    - Cloud investigation
    - OT detections
    - Forensic Analysis
    - Improvement of CERT knownledge base by writing new processes and procedures
  • Own
    OWN CERT - CTI and DFIR analyst
    February 2023 - November 2024 (1 year and 9 months)
    Paris, France

    - On-Duty periods for quick Incident Response actions and Crisis management
    - SOC MSSP
    - Lead technical investigations across a variety of sectors, environments and perimeters
    - Threat hunting and threat analysis (CTI)
    - Malware & Forensic Analysis
    - Writing playbooks to improve detections
    - Creation and presentation of training exercices (tools usage, DFIR cases, Threat Hunting...)
    - Writing an article in MISC magazine on how to create and develop an advanced CTI adapted to your perimeter and challenges
    CTI Threat Hunting Malware Analysis DFIR Digital Forensics
  • Own
    CERT DFIR Analyst | Energy sector
    June 2024 - October 2024 (4 months)
    Paris, France

    - Lead technical investigations across a variety of environments, platforms and operating systems
    - Threat hunting and threat analysis (CTI)
    - DataLeak investigations
    - OSINT
    - Forensic Analysis
    - Improvement of CERT knownledge base by writing new processes and procedures

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Education

  • Specialized Master: Information and Systems Security
    ESIEA
    2018
    Pentest oriented, a Master where we dig every topics of cybersecurity, forensics, malware analysis, trainings, OSINT, Threat Hunting, tools developpment, legal aspects and how to protect ourselves with the law, management, Intelligence, network analysis, mobile phone pentest etc.

Certifications

Skill set

Categories