A positive review of Identity Silos
It's not for nothing we call them "silos": they're strong, elegant, safe and under-appreciated!
Many federated identity models involve a central authentication broker, intended to break down the much-derided “silos” that hold individuals’ assertions. In practice, breaking down these silos has proven to be much harder than expected. The typical analyses of this challenge overlooks novel legal risks that federation inadvertently introduces.
We argue it may be better to accept that identity silos are often a very good thing.