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Mathieu BaudaisMB

Mathieu Baudais

ISO 27001 & HDS Auditor Certified | +50 Audits | C

€1,000/day
Rennes, FR
8-15 years

Average response time: 1 hour

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About Mathieu

🔐 CERTIFIED ISO 27001 LEAD AUDITOR & HDS AUDITOR
Senior auditor with +50 certification audits and 20 years of CIO/CISO experience, I offer internal ISO 27001 and HDS audits to support your certification.

🎯 MY SERVICES
✓ Internal ISO 27001:2022 and HDS audits
✓ Mock audits before certification
✓ Gap analysis and action plans
✓ ISMS maturity assessment
✓ Risk analysis (ISO 27005, EBIOS RM)
✓ HDS compliance support
✓ Team training and awareness

📊 MY EXPERIENCE
- +50 ISO 27001 & HDS certification audits (Certi-Trust, CYBEVAL)
- Sectors: Health, Fintech, Banking, Industries, Tech, IT Service Providers
- 20 years as CIO/CISO (IT Service Provider 17 employees/€2.5M, Cloud Operator, MVNO)
- Co-founder of 4 tech companies

🎓 CERTIFICATIONS
- ISO 27001 Lead Auditor (2024)
- HDS Auditor (2024)
- VMware, Veeam, StormShield
- Former Defense Secret Clearance

💡 MY ADDED VALUE
Dual expertise: auditor + technical expert:
→ Identification of organizational AND technical flaws
→ Understanding business stakes and constraints
→ Pragmatic and actionable recommendations
→ Training teams on regulatory requirements
→ Dialogue at all levels (Management, technical, business)

🏢 SECTORS OF INTERVENTION
Health, Fintech/Banking, Industries, IT Service Providers/Software Vendors, Telecom/Cloud, Administrations

🚀 WHY CHOOSE ME?
✓ Educational approach with skills transfer
✓ 360° Vision: business, technical AND regulatory
✓ Pragmatism adapted to your maturity
✓ Responsiveness and quick availability
✓ 20 years of field experience

📍 LOCATION & AVAILABILITY
Based in Brittany (Rennes region)
✓ Travel throughout France for on-site missions
✓ Remote work possible depending on mission terms
✓ Mixed interventions (on-site + remote) preferred

💬 LET'S DISCUSS YOUR PROJECT
Preparing for ISO 27001 or HDS certification? Need a mock audit? Gap analysis?

Contact me to discuss your needs in complete confidentiality.
  • French

    Native or bilingual

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

Experience

  • Auditeur Certifié ISO 27001 Lead Auditor & HDS | +50 Audits | Ex-DSI/RSSI
    Creator Manager
    January 2024 - Today (2 years and 7 months)
    🔐 Senior auditor conducting ISO 27001 and HDS certification audits for two accredited certification bodies.

    📊 ACHIEVEMENTS (2024-2026):
    - +50 ISO 27001 and HDS certification audits performed
    - Sectors audited: Industries, Tech, Fintech, Banking, Health, IT Service Providers, Services
    - Initial, surveillance, and renewal certification audits
    - Assessment of ISMS of various sizes (SMEs to Mid-caps)
    - Writing of detailed audit reports and corrective action plans
    - Liaison with COFRAC for maintaining accreditations

    🎯 EXPERTISE DEVELOPED:
    - Mastery of ISO 27001:2022 (new version) and complete Annex A
    - HDS (Health Data Hosting) framework - Public Health Code
    - Audit techniques: interviews, document reviews, compliance tests
    - Risk analysis assessment (ISO 27005, EBIOS RM)
    - Cross-compliance GDPR, NIS2, RGS

    💡 KEY SKILLS:
    Certification Audit, ISO 27001, HDS, ISMS, Risk Analysis, GDPR, Regulatory Compliance, Audit Report Writing
    ISO 27001 Lead Auditor ISMS HDS Regulatory Compliance Risk Management
  • ECO INVEST
    Creator Co-Manager
    October 2021 - Today (4 years and 10 months)
    🌱 Creation and management of a company specializing in solar solutions and energy transition.

    Development of expertise in:
    - Complete entrepreneurial management (strategy, finance, sales, HR)
    - Complex energy infrastructure projects
    - System resilience and autonomy

    This experience strengthens my ability to understand the business stakes of the audited organizations and to propose pragmatic recommendations adapted to operational constraints.

    💡 SKILLS: Entrepreneurship, Project Management, Strategy, Innovation
    ISO 27001 Lead Auditor IT Project Management IT Strategy IT Governance Agile Project Management
  • OPTIMADSI–OPTIMACOM
    Creator Co-Manager / Technical and Innovation Director
    March 2005 - October 2021 (16 years and 7 months)
    Pacé, France
    🏢 Co-founder and Technical Director of an IT Service Provider/Telecom Operator (17 employees, €2.5M turnover).

    🎯 TRIPLE RESPONSIBILITY: CIO - CISO - Innovation Director

    📊 CIO MANAGEMENT:
    - Group IT system architecture and management (17 employees)
    - IT Infrastructure: servers, networks, telephony, virtualization
    - IT equipment management and user support
    - Digital transformation projects

    🔐 CISO MANAGEMENT:
    - Definition and implementation of the IT security policy (ISSP)
    - IT security risk management and business continuity plan (BCP/DRP)
    - GDPR compliance, customer data security
    - Employee awareness and training
    - Security monitoring and incident management

    💡 INNOVATION MANAGEMENT:
    - Technological watch and foresight
    - Development of new services (MVNO, Cloud, Hosting)
    - R&D innovative solutions
    - Technological partnerships

    🏆 ACHIEVEMENTS:
    - Creation and launch of an MVNO (virtual mobile operator)
    - Deployment of VMware Cloud infrastructure
    - Obtaining certifications: VMware VSP/VTSP, Veeam, StormShield
    - GDPR compliance for all activities
    - Growth from 0 to 17 employees and €2.5M turnover

    This 10-year experience as an operational CIO/CISO gives me a deep understanding of the daily challenges of the organizations I audit today.

    💡 SKILLS: CIO, CISO, Cybersecurity, ISO 27001, IT Architecture, ISSP, GDPR, Management, IT Service Provider, Telecom, MVNO
    ISSP GDPR BCP/DRP ISO 27001 Lead Auditor Digital Transformation

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Education

  • SENIOR ISO AUDITOR
    2026
    AUDITEUR SENIOR ISO
  • Master in Computer Science
    2006
    MB Informatique

Skill set

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