A propos

Marc Lefevre - RSSI bancaire + Fondateur Data Shield Mag

Marc Lefevre

RSSI (CISO) bancaire Paris depuis 2019, ex-Manager Deloitte Risk Advisory (2010-2019). 18 ans expertise cybersecurite + compliance + audit IT. Certifications CISSP (2014), CISA (2016), ISO 27001 Lead Auditor (2018), Panel NIS2 CNIL 2025. J'ecris Data Shield Mag pour traduire la regulation europeenne (NIS2, DORA, AI Act, RGPD audit 2026) en checklists actionnables pour CISO et DAF de PME francaises. Anti-FUD, frameworks compares rigoureusement (NIST CSF vs ISO 27001 vs SOC 2 vs NIS2), evidence trail auditable. Conflict of interest disclose chaque article : banques clientes anonymisees, editorial independance maintenue, pas de revenue partage produits cites.

  • RSSI (CISO) bancaire Paris depuis 2019
  • CISSP - Certified Information Systems Security Professional
  • CISA - Certified Information Systems Auditor
  • ISO 27001 Lead Auditor (LSTI 2018)
  • Panel NIS2 CNIL 2025 - 18 yr expertise compliance
  • Ex-Manager Deloitte Risk Advisory (2010-2019)
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Parcours

  1. 2007-2010

    Master ESSEC + ISCOM Cybersec

    Master strategie ESSEC Cergy + specialisation cybersec ISCOM.

  2. 2010-2019

    Manager Deloitte Risk Advisory Paris

    9 ans Deloitte Risk Advisory : audit IT bancaire (BNP Paribas, Societe Generale, Credit Agricole), missions ISO 27001. CISSP 2014, CISA 2016, ISO 27001 LA 2018.

  3. 2019-Aujourd hui

    RSSI bancaire (CISO) Paris + Fondateur Data Shield Mag

    RSSI bancaire Paris depuis 2019. Panel NIS2 CNIL 2025. Cree Data Shield Mag 2024. 2400+ abonnes newsletter, 32 articles long-form.