護
Resilience & Recovery
Backup, BCDR, immutable storage, ransomware, restore drills.
- 護 RTO is the number that bites 4 min · published 2026-10-12 Everyone can quote their backup retention. Far fewer can honestly state how long it takes to actually get a critical system back — and that second number, recovery time, is the one that determines whether a disaster is an inconvenience or an extinction event. Why RTO is the metric that gets neglected and then bites.
- 護 Immutable backups in practice 4 min · published 2026-08-31 Ransomware's favorite move is to encrypt your backups before it encrypts you. Immutability is the countermeasure — a copy that cannot be altered or deleted for a set period, even with stolen admin credentials. Here is what it actually buys, and the gaps that a checkbox labeled "immutable" quietly leaves open.
- 護 The restore drill nobody runs 4 min · published 2026-07-27 A backup you have never restored is not a backup. It is a hope with a green checkmark. The uncomfortable truth is that most organizations discover their recovery process is broken at the exact moment they need it to work — and the fix costs an afternoon a quarter.
- 護 The 3-2-1-1-0 rule, modernized for the ransomware era 6 min · published 2026-05-29 The classic 3-2-1 backup rule was written before ransomware learned to hunt backups. Here is what the two added digits mean, and how to actually implement them.