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- The eduPersonUniqueID attribute suffers from a case folding issue (due to allowing use of both upper and lower case characters) that may lead to identifier collisions at Service Providers not treating identifiers as case-sensitiveinsensitively. Consider this an informal Security Advisory against any use of this attribute.
- Also note that the new version of saml2int – which is a formal part of the eduID.at policy via the Technical Profile – goes much farther and states that:
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