3
votes
3answers
319 views

How to prevent CAS from leaking user identity to arbitrary visited websites?

Summary evil.example.com could use a hidden frame to request a CAS ticket from corporation.example.net, then validate it to receive the username of the hapless user. This effectively deanonymizes the ...
0
votes
1answer
321 views

How can I ensure privacy when outsourcing authentication to an IdP (Identity Provider)

I need to outsource authentication to an IdP (Identity Provider) but I don't want that IdP to know of the calling site. The two major issues are the callback URL and the referer header. Is there any ...
3
votes
1answer
638 views

Are there any anonymous OpenID providers similar to Gawker's “burner”?

Gwaker has an anonymous commenting system called Burner. It is offered as an alternative to Facebook, Twitter and Google. What's the difference between Burner and creating a throwaway Google , ...