One of key challenges in federated authentication network is the establishment of trust between an identity provider (IDP or OP) and relying party websites (RP). In the real world, contractual agreements provide a simple out-of-band mechanism to effectively bind two parties into a trust relationship. When it comes to federated identity networks, peer to peer contracts between many identity providers and a myriad of relying party websites do not provide for a scalable process. Therefore, open federated networks need a trust assurance framework to bootstrap trust between the three parties (the user, the OP and the RP).

The basic idea is that if an OP can be certified to comply with a set of industry best practices, the RP should be able to enter into open identity exchange where both the websites and the consumers are reasonably protected. Of course, a pragmatic trust assurance framework should be...

The controversy around personal and social data portability is growing. For consumers, it is an important issue because it will determine how much ownership they will be able to enforce upon their "digital identity" that lives today across competing Internet silos. For the silos, the Google, FaceBook, Yahoo! and Microsoft of the world, a lot is at stakes since, ultimately, it is about whom consumers will entrust with their digital self.

Undoubtedly, data portability is the natural child of federated identity (more on that in a future post). Personal and social data are an important part of any consumer identity'. Like identifiers, credentials and profile attributes, social graphs, activity streams belong to the end user who created them in the first place. In the long run, consumers will require full control, privacy, security and portability over such personal...