VMworld 2012: Session VSP1365 – Understanding VMware ESXi Security
An in-depth presentation of the security facilities available in ESXi, and using them effectively to secure your virtual infrastructure. We discuss the ESXi firewall, Lockdown mode, the local shell and user accounts, and the Active Directory interface. Learn how vSphere advances hypervisor security to align itself with generally accepted security best practices.
Source: VMworld 2012: Session VSP1365 – Understanding VMware ESXi Security (Youtube).