Curriculum · Phase 4 · Module 4.5

Backups + Ransomware Resilience

Backups are the control that turns a ransomware incident from a business- ending event into a bad week. The 3-2-1 rule, RTO/RPO, immutable and air-gapped backups, restore testing, and a tabletop that shows where backup programs actually fail — then designing a ransomware-resilient backup for a large dataset.