About boot media for Linux
For Linux, the bmrsrtadm command creates a bootable ISO image file by using the name of the SRT with an .iso extension. Any standard CD/DVD writing software can be used to write media from this file.
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