?url_ver=Z39.88-2004&rft_id=10.1109%2FITSIM.2010.5561611&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Z.A.&rft.au=Khattak%2C+Z.A.&rft.aulast=Khattak&rft.date=2010&rft.title=A+study+on+threat+model+for+federated+identities+in+federated+identity+management+system&rft.isbn=9781424467181&rft.genre=proceeding