Ransomware attackers specifically target and attempt to destroy backup systems to increase the probability of payment. Hardening your system is critical. Please ensure you have reviewed your platform security using the Security Hardening Checklist
Freezing or unfreezing a volume — NetBackup 11.1 | Cohesity Documentation
Freezing or unfreezing a volume
NetBackup freezes volumes under circumstances.
Use the following procedure to manually freeze or unfreeze a volume.
To freeze or unfreeze media
In the NetBackup Administration Console, in the left pane, expand Media and Device Management > Media.
In the right pane, in the Volumes list, select the volume that you want to freeze or unfreeze.
