B.3 Backup and Recovery Procedures

Version: April 2025
Aligned with: ISO/IEC 27001:2022 (Annex A: A.8.13)
Applies to: All IT administrators, system owners, and data custodians

Purpose
To establish backup and recovery procedures that ensure availability and integrity of critical organizational data and systems.

1. Backup Procedures
(Aligned with A.8.13 – Information backup)

1.1 Daily Backup Process

  • Automated incremental backups of all critical systems
  • Verify backup completion and integrity daily
  • Store backups in geographically separate location
  • Test random backup restoration monthly

1.2 Weekly Full Backup

  • Complete system backup including operating system
  • Database dumps with transaction log backups
  • Configuration backup of network devices
  • Documentation of backup procedures and locations

2. Recovery Procedures
(Aligned with A.8.13 – Information backup)

  1. Assess extent of data loss and system damage
  2. Determine most recent viable backup point
  3. Restore system from backup in isolated environment
  4. Verify data integrity before returning to production
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