NetBackup 7.7 introduces enhanced support for VMware vSphere 6.0 and improved security features, including FIPS-compliant auditing and user-specific logging. Key upgrades also include intelligent policies for Hyper-V and SQL servers, enhanced recovery options, and improved cloud service integrations with major storage providers. Overall, the updates focus on automating backup processes, improving performance, and facilitating multi-tenancy for managed service providers.