Sylvain Denizet

Are you an SME or startup aiming for ISO 27001 certification? Or do you need an internal audit to maintain your certificate? I can assist you from A to Z.

My advantage: dual expertise in Governance & Technology. I can communicate effectively with your executive committee as well as your IT teams, and I adapt to the operational realities of agile structures.

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🎯 MY ISO 27001 SERVICES

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🔹 IMPLEMENTATION & CERTIFICATION

• Creation of an ISMS from scratch tailored to your size and maturity

• Transition from ISO 27001:2013 to ISO 27001:2022

• Drafting of policies, procedures, and Statement of Applicability (SoA)

• Risk analysis (EBIOS RM / ISO 27005)

• Preparation and support through to the certification audit

✅ Result: certification obtained on the first attempt for my clients

🔹 INTERNAL AUDIT & COMPLIANCE

• Internal ISO 27001 audit (PECB Lead Auditor certified)

• Gap analysis against Annex A

• Non-conformity management and corrective action plan tracking

• Preparation for surveillance and renewal audits

🔹 GOVERNANCE & AWARENESS

• Outsourced CISO (CISO as a Service) for SMEs without an internal CISO

• Customized cybersecurity awareness programs

• Security dashboards and ISMS indicators for your management

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🏆 CONCRETE RESULTS

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📌 MARSS Group (Monaco) — ISO 27001 certification obtained in 2023, 3 international sites. ISMS created from scratch, successfully renewed.

📌 Airbus Helicopters — ISMS creation and risk analyses for a sensitive scope.

📌 ESA / Galileo — Cyber Disaster Recovery Plan and EBIOS analyses.

📌 Golem Cybersecurity (since 2025) — ISO 27001 support for SMEs, internal audits, outsourced CISO.

🎓 PECB ISO 27001 Lead Auditor

🎓 Telecom & Computer Engineer (IMT Lille Douai)

📍 Nice — Monaco, Marseille, Lyon, Paris, remote