A system and method of maintaining a user profile for a handheld computer in a shared, scalable computing resource is described. The method includes receiving user profile data from the handheld computer at the shared, scalable computing resource, the user profile data comprising a user security factor. The user profile data is received via a secure wireless communication protocol having authentication of an identity of the handheld computer. The method includes storing the user profile data on the shared, scalable computing resource as a portion of a user profile, the user profile further comprising user preference data. The method further includes receiving the user security factor from a second computing device. The user security factor is received via a secure wireless communication protocol having authentication of an identity of the second computing device. The method further includes downloading user preference data to the second computing device.