Updated

Cybersecurity checklist for SMBs

Essentials to protect a small business: phishing, backups, MFA, and incident response.

SMBs are targets. Phishing, backups, MFA, and incident response: the essentials for a small business.

Users

  • MFA on email, VPN, and critical tools
  • Short training: phishing and how to report
  • Clear policy: who to call for suspicious email
  • Departures: access cut same day

Endpoints and network

  • Windows up to date (security patches)
  • Antivirus / Defender active and monitored
  • Guest Wi-Fi separated from business network if possible
  • No Windows Home in production

Backups

  • 3-2-1 rule understood and applied
  • Third-party Microsoft 365 backup in place
  • Restore test within last 90 days
  • Offsite or encrypted cloud copy

Incidents

  • Emergency IT phone / email posted for staff
  • Simple procedure: isolate, preserve, call, document
  • Ransomware scenario discussed (don't pay without advice)

Next step

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Cybersecurity checklist for SMBs | Atlas Numérique