Single sign-on systems attempt to overcome this, but they may require trust between providers, and in some cases they expose users to privacy intrusion.
en.wikipedia.org Enterprise services are provided to these customers on both classified and unclassified networks, and include portal, e-mail, directory, discovery, and single sign-on functionality.
en.wikipedia.org The platform, consisting of social login, social sharing, users social data, single sign-on, social analytics and user segmentation, now serves over 120,000 businesses worldwide.
www.techvibes.com Employees can use a single sign-on protocols to eliminate the need for accounts and passwords.
www.cio.co.nz