Cyber resilience
Backup anomaly detection: Which storage signals matter?
Backup infrastructure sees the whole estate every night, which makes it an unusually good vantage point for noticing that something has changed. Most ...
Topic
Cyber resilience
Backup retention changes: Preventing silent exposure
Deleting a backup is an event. Shortening a retention policy is a settings change, and it produces the same outcome more quietly: copies expire on their new ...
Cyber resilience
Ransomware recovery exercises: What to measure
Most organizations run some form of recovery exercise, and most produce a report that says it went well, with a list of observations and a note to repeat next ...
Cyber resilience
Backup isolation testing: Can production reach copies?
Most backup architectures include something described as isolated: an air gapped copy, a segmented repository, a vault. The description is usually accurate ...
Cyber resilience
Backup configuration recovery: Protecting the catalog
A backup repository holds objects. The catalog is what turns those objects into recoverable systems: which files belong to which backup, which backup belongs ...
Cyber resilience
Backup storage failure: Recovering during a rebuild
Recovery plans assume the backup repository is healthy. That assumption holds most of the time and fails in exactly the circumstances that produce a recovery: ...
Cyber resilience
Mass restore planning: Recovering hundreds of workloads
A restore test usually covers one system. It confirms the backup is valid, the procedure works and the timing is acceptable, and it says almost nothing about ...
Cyber resilience
Backup poisoning: When protected copies contain malware
Immutability protects a backup copy from being changed after it is written. It does nothing about what was in the data at the moment it was written. If an ...
Cyber resilience
Immutable backup capacity: Planning for retention growth
Immutability changes capacity planning in one specific way: the usual response to running out of space stops working. In a conventional repository, a capacity ...
Cyber resilience
Backup encryption keys: What happens if you lose them?
Encrypting backups is standard practice and rightly so. The consequence, which receives far less attention, is that the backup copies are now exactly as ...