?url_ver=Z39.88-2004&rft_id=10.1109%2FICCISci.2012.6297155&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=S.&rft.au=Safdar%2C+S.&rft.aulast=Safdar&rft.title=Two+dimensional+password+based+hybrid+authentication+methods+in+vulnerable+workflows&rft.date=2012&rft.isbn=9781467319386&rft.genre=proceeding