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Law and governanceChapter 19

Securing an SME in 12 measures

Twelve concrete, prioritised measures to protect an SME: MFA, backups, updates, email, cyber insurance, with indicative costs and French public support schemes.

Nestor
Presented byNestor
12 min readUpdated on 2 October 2026

What you will learn

  • Know the 12 measures that close the doors most often used against SMEs
  • Understand, for each measure, the attack scenario it blocks
  • Prioritise by cost and effort: this month, this quarter, within the year
  • Prepare your incident response and meet the 72-hour complaint rule for French cyber insurance
  • Know where to turn in France: Cybermalveillance.gouv.fr, the ExpertCyber label, MonAideCyber, regional CSIRTs

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