While opening our resources to a wide variety of end points, we need a strong access control, and UAG includes such mechanisms to check clients, users, and groups for authorization and to apply mandatory policies. With the release of Service Pack 2 (August 2012), UAG is now able to interact with the most recent devices from all the biggest players in the mobile market (Windows Phone , iOS on iPad and iPhone, and Android on tablets and phones) and, as soon as an end point tries to connect to a UAG site, there are different publishing scenarios based.