Short Video on life cycle of telnet password being cracked through bruteforce. Goes on re-inforce that passwords should be strong even for obscure telnet servers. Under PCI DSS, SSH should be used for remote administration, not Telnet.
Application Patch Management principles
User Rights and Permissions.
What do we mean by Change Management
An introduction to Operating System Hardening, a requirement of PCI DSS control 2
Virtualization is a one of the modern trends in Enterprise IT Designs and has implications for PCI DSS. This video is a primer on Virtualization.