Single Sign On . A Contrarian View

SSO is the holy grail of many organizations. With SSO, users will log in once to an SSO domain and then are never challenged again while accessing secured resources within that domain.

The problem:

Creating a common enterprise security infrastructure to replace a heterogeneous infrastructure is without question the best technical approach. This is being attempted with technologies like the OSF Distributed Computing Environment (DCE), Kerberos, and with PKI-based systems, but few, if any, enterprises have actually achieved this.

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