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Sebastian C.SC

Sebastian C.

GRC | RSSI | ISO 27001 Lead Implementer | CISSP

€730/day
Perpignan, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Sebastian

Looking to strengthen your cybersecurity governance, obtain ISO 27001 certification, or structure your risk management? I help organizations, executives, CIOs, and CISOs transform security into a lever of trust and performance to support strategic and business objectives.

What I bring you concretely:

  • Part-time CISO: governance and management of your IT security adapted to your budget and objectives.
  • ISO 27001: from maturity audit to certification: GAP analysis, ISMS implementation, audit preparation, Lead Implementer support.
  • GRC — Governance, Risk & Compliance :structuring or redesigning your GRC framework. Cyber mapping, policies, KPI & reporting management, regulatory compliance (NIS2, EU AI act) and alignment of security strategy / business strategy.
  • IT Security, Cyber & AI Maturity Audit: independent assessment of your compliance and risk level with a prioritized roadmap.
  • Training & Awareness: CISSP certification preparation, fundamental cyber awareness, AI agent security and AI governance. A program tailored to your security objectives.
  • Risk Analysis & Security Policies :design and management of risks adapted to your business context.
Understand why policies are fundamental, which ones, and how to adapt them to your organization.
My added value:
With over 20 years of experience in Information Systems, specializing in Information System Security and Cybersecurity for 12 years.
Certified ISO 27001 Lead Implementer, CISSP, official ISC2 CISSP and AI agent security trainer.

My transversal vision of business, operational, and technical challenges allows me to support you from governance to the operational deployment of security solutions adapted to internal and external contexts.
  • French

    Native or bilingual

  • English

    Fluent

  • Spanish

    Native or bilingual

Can work on-site
Perpignan (up to 50km), Toulouse (up to 10km), Marseille (up to 10km), Paris (up to 10km), Barcelone (up to 30km)

Experience

  • Freelance
    GRC & Cybersecurity Consultant
    April 2024 - Today (2 years and 2 months)
    During my GRC, IS Security & Cybersecurity missions, I support companies in their strategic and business requirements by:
    • Supporting ISO 27001 certification: Implementation and maintenance of the ISMS and Annex A security measures (policies & procedures, threat management, asset management, access management, supplier management, application of least privilege principles, need to know, etc.)
    • Part-time CISO support
    • Risk analysis according to EBIOS RM
    • Compliance gap analysis with ISO 27001, NIS 2
    • Incident management: BCP / BIA / DRP / Test simulation
    • IS Security & Cybersecurity support: Maturity audit, Security by design, Zero trust, IAM with Microsoft Entra, EDR/XDR, Data Loss Prevention (DLP), Threat modeling, SDLC.
    • AI: Governance (ISO 42001), policies, usage, and security of AI agents.
    Zero Trust ISO 27001 Cybersecurity EBIOS RM AI Security
  • ICS
    CISO
    TELECOMMUNICATIONS
    December 2021 - December 2023 (2 years)
    Perpignan, France
    As CISO, my missions were of 2 types:
    1-) Governance in security => ISMS implementation, risk analysis, writing of the IS Policy and policies required for ISO 27001 certification, awareness of ISMS and cybersecurity risks.
    2-) Operational => Study, management, and participation in projects: Network security, identity management, endpoint security (EDR, MDM).
  • COOPERATIVE
    CIO
    AGRICULTURE
    September 2019 - November 2021 (2 years and 2 months)
    Perpignan, France
    IT Department and CISO Management.
    Governance, risk, and compliance.
    Carried out a complete IT system overhaul project => Study, design, and management of the implementation of a new infrastructure (Network, Servers, Storage, Backup, Virtualization, ERP...) by applying ISO 27001 / 27002 security measures.
    Wrote IS Security policies.

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Education

  • ISO 27001 Lead Implementer
    Skills4all
    2024
  • CISSP
    Certyou
    2024
    Certified Information Systems Security Professional

Certifications

  • ISO 27001 LEAD IMPLEMENTER
    Bestcertifs
    2024
  • CISSP
    ISC²
    2024

Skill set

Categories