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
Configure a NetBackup Appliance as a backup host — NetBackup 11.1 | Cohesity Documentation
Configure a NetBackup Appliance as a backup host
Review the following articles if you want to use NetBackup Appliance as a backup host: