You might remember Microsoft's first attempt at addressing this problem, Passport, which Microsoft uses on its own MSDN Web site (and elsewhere), but which never caught on as Microsoft hoped it would.

Johannes Ernst of NetMesh puts flesh on the bones of Microsoft's InfoCard digital ID scheme. If you Google Microsoft's InfoCard, you mostly seem to find people asking "who can tell me more about ...

LOS ANGELES – Looking to ease the way customers manage their digital identities, Microsoft has begun working to integrate its InfoCard authentication technology with Internet Explorer and is in ...