As more corporate applications and data move to virtual machines, IT companies are looking in to the problem of how to integrate VM protection into their established backup, DR and retention processes. So what is the solution to protect VM-specific backup application? Data protection and disaster recovery specialist Unitrends announced the availability of Unitrends Virtual Backup (UVB) 8.0, a purpose-built virtual appliance providing hypervisor-level protection for VMware, Microsoft and Citrix.