Opinion piece in Computerworld by Jerrold M. Grochow, vice president for information services and technology at MIT, on the limitations of perimeter security and the importance of authorization - closing quote:
Firewalls can go only so far – at some point, you’ll have to develop a secure identity structure that’s incorporated into each and every application. And projects such as Kerberos, Shibboleth and Liberty will lead the way.
I would add SAML to that list, and note that SAML 2.0 incorporates functionality from both Liberty ID-FF and Shibboleth.
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