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
About not Vaulting more than necessary — NetBackup 11.1 | Cohesity Documentation
About not Vaulting more than necessary
When you set up NetBackup Vault, do not select and transfer off-site more data than is necessary.