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The purpose of this research is to determine whether the transition to a two-factorauthentication system is more secure than a system that relied only on what users 'know'for authentication. While we found that factors that made passwords inherentlyvulnerable did not transfer to the PIN portion of a two-factor authentication system, wedid find significant problems relating to usability, worker productivity, and the loss andtheft of smart cards. The new authentication method has disrupted our ability to stayconnected to ongoing mission issues, forced some installations to cut off remote accessfor their users and in one instance, caused a reserve unit to regress 10 years in theirnotification and recall procedures.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.