Regular Backups

Backup Strategies: Your Last Line of Defense

Introduction:

Backups are the undo button for cyber attacks – when properly implemented. The ASD requires immutable, air-gapped backups because 42% of organizations that pay ransoms never recover their data.

Maturity Level Implementation:

Level 0:

(Non-Compliant)

  • No formal backup process
  • Single storage location
  • Untested restore capability

Level 1:

(Basic)

  • Daily backups
  • Onsite and offsite copies
  • Quarterly restore tests

Level 2

(Intermediate)

  • Immutable storage
  • Cryptographic verification
  • Weekly test restores

Level 3:

(Advanced)

  • Air-gapped backups
  • Automated integrity checks
  • 1-hour RTO for critical systems