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Martin SauzeMS

Martin Sauze

IT Security Expert (Cybersecurity)

€140/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Martin

After working for 2 years as an Assistant CISO at Headmind Partners, I am launching myself into entrepreneurship.
I have worked on multiple missions alongside a qualified CISO:

- Vulnerability Management:
Scans, Identification, and Correction of Vulnerabilities.

- SSI Action Tracking:
Supervision of security initiatives (Conventional IT System \ DR IT System)

- Drafting of Security Assurance Plans and PACS:

- Risk Analysis and Assessment:
EBIOS RM, ISO27002, Risk Mitigation Strategies, Security Dossiers.

- Implementation of DLP, Proxy, NAC, Bastion/Jump Host tools.

- Security Management in an AI Development Project:
Risk analyses and vulnerability identification.
Integration of DevSecOps practices.
Use of AGILE methodology principles.
Development of the development factory architecture document.

- Assistance in internal product development (Python, C, Bash languages...)

I am available for all your requests.
See you soon!
  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • Aegisia
    Trainer • Awareness & Prevention
    CULTURE
    November 2025 - Today (7 months)
    Paris, France
    I engage with individuals for cybersecurity awareness and online scam prevention.
    The training covers identifying phishing attempts, email, SMS, or phone scams, social engineering, and daily digital security best practices.
    Objective: develop good reflexes, understand the methods used by cybercriminals, and know how to react effectively to suspicious situations to protect personal and financial data.

    WEBSITE: www.aegisia.fr
    Training Risk Prevention Phishing Awareness
  • Headmind Partners
    ARSSI Consultant – Governance, ISO 27001 Audit & Risk Analysis
    CONSULTING AND AUDITS
    September 2023 - July 2025 (1 year and 10 months)
    Paris, France
    ARSSI Consultant involved in SSI governance, audit, and regulatory compliance missions for organizations of various sizes.

    ISO 27001:2022 Audit and Certification: managing recertification audits, preparing audited organizations, collecting and analyzing technical and organizational evidence, remediating gaps, updating SSI policies and procedures (PSSI, charters, processes).

    Risk Analysis and Management: conducting risk analyses using EBIOS RM, identifying threat scenarios, assessing impacts and likelihoods, defining and monitoring risk treatment plans.

    Security Governance: facilitating SSI committees (operational and decision-making), tracking security action plans, defining SSI indicators, supporting CISOs in strategic cybersecurity management.

    Operational Security and Compliance: vulnerability management (scans, analyses, prioritization), monitoring security measures, contributing to security dossiers (PASSI), integrating security requirements into IT and AI projects (DevSecOps, Agile).

    Interventions aligned with ISO 27001, NIST, ANSSI, GDPR, and OWASP frameworks.
    ISO 27001 Audit Risk Analysis SSI Governance GDPR Facilitation
  • SOPRASTERIA
    DLP & Risk Analysis
    September 2022 - September 2023 (1 year)
    Engaged within a cybersecurity team on operational security, data protection, and risk analysis missions, within a major client context.

    Data Protection (DLP): participation in the integration and deployment of a Data Loss Prevention solution, including defining security rules, tracking sensitive documents, and supporting business teams.

    Implementation and Operation of Security Solutions: administration and maintenance of Trellix / McAfee DLP tools, monitoring security alerts, analyzing incidents, and proposing corrective actions.

    Risk Analysis: conducting risk analyses using the EBIOS RM method, identifying threats, assessing impacts, and contributing to defining appropriate security measures.

    Operational Security: vulnerability tracking, participation in routine security activities, and contribution to the continuous improvement of security measures.

    Mission carried out in a structured environment, in line with SSI governance requirements and current security frameworks.
    Data Loss Prevention Personal Data Protection Security Maintenance Risk Analysis Vulnerability Management

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Education

  • General Engineering School Diploma (specialized in cybersecurity and IT development)
    ESEO

Skill set (24)

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