About Sébastien
French
Native or bilingual
Experience
- Cyber4UShared CISO at Cyber4U CenterDIGITAL AND ITSeptember 2020 - Today (5 years and 9 months)▪ Creation of the Cyber Department of a JV between BPCE and BNPP for the launch of a new payment offer (Estreem)▪ Creation, development, management, and execution of the CISO service offering▪ Part-time CISO for several entities▪ Co-creation and development of the managed service offering for Operational Security & SOC▪ Management of the Cyber Action Plan, including an SIEM/SOC L1/L2 with India.▪ Cyber crisis management (Darkside ransomware crisis)▪ Management of crisis exercises and Cyber Crisis Management Policy▪ Creation of operational Cyber dashboards for management▪ Drafting of security frameworks (policy, directive, charter, ...)▪ Conducted 12 audits of ISMS technical processes▪ Renewal of ISO27001 certification▪ Management of the annual Management Review for the ISO27001 certified ISMS▪ Management of IS security budgets (forecasting)▪ Employee awareness through committees, micro-learning & Phishing.▪ Preparation and facilitation of dozens of Management Security Committees▪ Management of Security By Design for nearly 100 projects and applications (Cloud)▪ Creation of the Security By Design & Third Party Training Kit▪ Design of a backup robustness audit▪ Creation of a methodological tool for risk-based management of the "Move to Cloud"▪ Change management for the implementation of new Cyber processes, ...▪ Creation of a Cyber service offering for subsidiaries of a CAC40 insurance group
- EUROP ASSISTANCECISO/eCommerce CISOSeptember 2018 - September 2020 (2 years)Île-de-France, France● Security Dashboard & Quarterly Board (CEO, COO, CIO)● Security By Design (50 project reviews) / Cloud● Creation of the operational security service (SOC, SIEM/ELK, WAF, Patching, Bastion, AD Hardening, ...)● Security process ISO27K & NIST and awareness (On-Boarding and all)● Actions plan: GENERALI Group audit, Pentest, GDPR, Security incident management and crisis
- CARREFOUReCommerce CISO France, then Generix GroupJuly 2016 - June 2018 (1 year and 11 months)Île-de-France, France▪ Responsible for integrating security into projects (60 eCommerce projects and websites)▪ Technical and organizational assessments of the Innovation department and e-Commerce sites▪ Creator of the "Security Passport" approach for Privacy & Security By Design (GDPR). Then at a "Supply Chain" subcontractor:▪ 360° evaluation audit, eLearning, management strategy, GDPR compliance, ISMS ISO 27001
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Education
- DESS, Information System SecurityMaster of Science1997DESS, Sûreté, Système d'Information
Certifications
- ISO27001LSTI