@InProceedings{BoyerHOBGR07, author = {Jodie P. Boyer and Ragib Hasan and Lars E. Olson and Nikita Borisov and Carl A. Gunter and David Raila.}, title = {Improving Multi-Tier Security Using Redundant Authentication}, booktitle = {{ACM} Computer Security Architectures Workshop ({CSAW} '07)}, year = 2007, address = {Fairfax, VA}, month = {November} }