A method and system provide dynamic communities of interest on an end user workstation utilizing commercial off the shelf products, with central management and the ability for a users to log on only once (also known as “single sign on” or “SSO”). The software images that make up the virtual machine can be patched and updated with other required changes from a central storage area where the image can be administratively updated just once. A digital signature can be applied to the software images to ensure authenticity and integrity, along with determining whether a software image is up to date.