Securing access to your videos can be of utmost importance and is actually quite easy once you understand the security features built into Mediasite. Learn more about the differences between users, groups, and roles; how to import them from LDAP or Active Directory; and what permissions combinations on various Mediasite assets produce what results. Also, University of Wisconsin – La Crosse provides a virtual tour of their facilities, Sonic Foundry introduces Mediasite 5.5 and its integration with Camtasia Relay, new changes for the MUG Community and UNLEASH 2011 plans.