Quarterly review and tabletop exercise

A half-day review each quarter.

Items

1. capacity-review: Detailed capacity review with growth projection. Trigger procurement if > 70 % utilised.
2. hardware-inventory: Update hardware inventory: warranty, RMA status, failure history.
3. hardening-review: Review hardening checklist against current threats.
4. access-review: Review admin accounts, RBAC, TFA enrollment. Remove unused accounts.
5. runbook-review: Review runbooks against recent incidents. Update based on what worked and what didn’t.
6. dr-tabletop: Run a DR tabletop exercise. Document gaps.
7. backup-restore-test: Perform a restore certification drill from off-site PBS.
8. penetration-test: Scheduled pen test or vulnerability scan.
9. subscription-renewal: Verify Proxmox subscription renewals are current.