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Sylvain RossiSR

Sylvain Rossi

Expert ISO 27001 & Cybersecurity & Certification

€900/day
Toulon, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Sylvain

With over 25 years in cybersecurity and more than 15 years in a leading audit firm specializing in digital trust and certification, I decided to create Trust&Audit (T&A). Expert in ISO 27001 audits, eIDAS / RGS qualification, GDPR consulting, and NIS2 compliance, I am your preferred contact for the most demanding security strategies. My commitment is to build solid and lasting digital trust for each client, particularly through support for cyber certification.
  • French

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Trust & Audit
    Leader / Cyber Expert
    September 2025 - Today (11 months)
    Cybersecurity Audit, Consulting & Certification: Building Your Digital Trust.
    We secure your systems, protect your data with rigorous cybersecurity audits, and tailor-made strategic advice. We guide you towards ISO 27001 cyber certification, NIS2 / DORA compliance, and other standards to build your organization's digital trust.

    Services:
    - Cybersecurity & Compliance Audits: Vulnerability identification, compliance with international standards (ISO 27001, NIS2, eIDAS, DORA...), and certification audit execution.
    - Strategic Cybersecurity Consulting: Personalized support for developing your cybersecurity strategy, cyber risk management, and defining your security roadmap.
    - Cyber Governance & Certification Support: Definition and assistance in implementing robust cyber governance, aligned with certification and regulatory compliance requirements (ISO 27001, NIS2, GDPR), including the production of your Information System Security Policies (ISSP) and associated documents.
    - Training & Awareness: Strengthen the human element of your security with training programs tailored to your teams.
    - Securing Your Technical Architectures: Assistance in implementing robust solutions for securing your technical architectures and enhanced user access management (IAM). We intervene in the security of your infrastructures and applications.
    Cybersecurity ISO 27001 Risk Management CISO Security Audit
  • Sealweb
    Cybersecurity Consultant
    CONSULTING AND AUDITS
    February 2009 - September 2025 (16 years and 7 months)
    Fixed-price SSI consultant for major clients, administration and ministries, professional federations, and SMEs.
    AMOA missions on subjects of probative dematerialization and electronic signature.
    Audit missions and support for the qualification of trust services.

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Education

  • Advanced Master's Degree in Information Systems Security and Risks
    Telecom ParisTech
    2004

Certifications

Skill set (12)

Categories