There are many things to consider when virtualizing - storage requirements, number of users and disaster recovery to name a few. One thing that should be at the top of the list is security. Small businesses are embracing server, storage and other forms of virtualization as a means of reducing costs, improving efficiency and becoming more agile. The last post provides a framework for quantifying these benefits. What about the security of virtualization? Does introducing this new technology make small business IT infrastructure more vulnerable?