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Guillaume F.GF

Guillaume F.

Supermalter

Cybersecurity Consultant

€950/day
8 projects
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Guillaume

Passionate about Cybersecurity for 15 years, I started as an IAM Administrator in 2011 and then as a Cybersecurity Consultant from 2015.

I have conducted numerous security audits since 2010 within various companies in diverse business sectors.

I also qualify hardware before its potential production release.

I contribute to awareness campaigns or demonstrations.

I participated in writing the book "Ethical Hacking: Learn Attack to Better Defend" Ed ENI.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 40km), Valenciennes (up to 20km), Lille (up to 20km), Maubeuge (up to 20km)

Experience

  • Roquette
    Cloud Application Security Audit
    AGRICULTURE
    September 2019 - October 2019
    Lestrem, France
    Security Audit of a Web Application hosted in the Cloud
    Microsoft Azure Burp Suite
  • GRTgaz - DSI - Pôle Opérations
    Cybersecurity Engineer
    ENERGY AND UTILITIES
    April 2016 - Today (10 years and 2 months)
    Bois-Colombes, France
    - Development and deployment of security policies
    - Performing forensic analysis
    - Handling alerts and security incidents
    - Technological watch
    - Penetration testing (Pentest)
    - Hardware qualification
    - Deployment of USB white stations
    Cybersecurity Windows Defender ATP PenTest Forensics Awareness SEP Active Directory Windows Server Windows AWS Microsoft Azure Easyvista
  • SETE
    Security Audit / Penetration Testing
    TRAVEL AND TOURISM
    November 2017 - December 2017 (1 month)
    Paris, France
    Multi-stage Security Audit:
    - Black Box: Remote, with no information
    - Gray Box: On-site audit
    - White Box: Audit / Configuration review with administrators
    Ethical Hacking Active Directory Cisco Aruba Firewall PenTest Web application NAS

Reviews

5.0

Out of 3 ratings

A

Aurélien

ERNST & YOUNG ADVISORY - Technology Consulting

Reviewed on 6/17/2024

Guillaume is an excellent professional, passionate about IT security. During this mission, he brought his expertise to both the Blue team, with the implementation of detection rules and the integration of security tools into the SIEM/SOAR, and the Red Team, to test the implemented detection stack. Guillaume met the deadlines and was proactive in his communication to keep us informed of the project's progress and to alert us to any encountered problems so that they could be addressed as early as possible.
A

Aurélien

ERNST & YOUNG ADVISORY - Technology Consulting

Reviewed on 5/13/2024

Guillaume was very professional throughout the mission. He understood the client's needs well. His technical skills (penetration testing, defensive security, ...) allowed him to grasp the client's ecosystem, be proactive in his suggestions, and deliver quality work.

Recommendations

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Anthony Delhaye and 2 other people have recommended Guillaume

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Education

  • Digital Security Expert
    Aston
    2017
    - Analyse préventive des faiblesses et vulnérabilités des systèmes d’information - Audit de la sécurité des systèmes d’information - Gestion des incidents de sécurité - Investigation numérique au sein d’un système d’information - Renforcement des systèmes d’information - Analyse de la sécurité organisationnelle - Structuration de la sécurité organisationnelle
  • Higher Technician in Networks & Telecom
    IIE Aulnoy lez valenciennes
    2009

Certifications

Skill set

Categories