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
Requirements for virtual machine support — NetBackup 11.1 | Cohesity Documentation
Requirements for virtual machine support
Virtual machines must have a NetBackup client installed.
Virtual machine support allows the backup and restore of snapshots of various VMware guests: