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David Clark and Karen Sollins. Shahid, Maryam,S.M.Massachusetts Institute of Technology. Massachusetts Institute of Technology. Institute for Data, Systems, and Society. Technology and Policy Program. Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science. Massachusetts Institute of Technology. Institute for Data, Systems, and Society Technology and Policy Program Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science Massachusetts Institute of Technology. Engineering Systems Division 2021-05-24T20:24:05Z 2021-05-24T20:24:05Z 2021 2021 https://hdl.handle.net/1721.1/130794 1252064702 Thesis: S.M. in Technology and Policy, Massachusetts Institute of Technology, School of Engineering, Institute for Data, Systems, and Society, Technology and Policy Program, February, 2021 Thesis: S.M., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, February, 2021 Cataloged from the official PDF of thesis. Includes bibliographical references (pages 99-106). Disinformation campaigns, created by fake accounts on online community platforms, have grown into one of the biggest threats against democracy, freedom and user perception of the truth. This thesis argues that mitigating this abuse and establishing trust online does not necessitate exposing identifying information about users on such platforms. Examples of identity mechanisms used by current platforms to curb this bad behaviour are included in the thesis to showcase the gaps in current schemes. There is a need to remodel the flow of identity transactions to cater to both anonymity and accountability considerations. To that extent, this thesis presents a use case of Brokered Identity Federations as a means to implement a one-time blind proof-of-existence that establishes a real-person is behind an account without revealing any excess identifiable information. The proposed architecture incorporates proof-of-existence by leveraging and re-purposing already existing enterprises, amongst whom identity interactions are divided, to maintain user anonymity while ensuring accountability in terms of limiting mass account creation. Lastly, the thesis discusses key considerations to take into account before the proposed architecture can be successfully realized. by Maryam Shahid. S.M. in Technology and Policy S.M. S.M.inTechnologyandPolicy Massachusetts Institute of Technology, School of Engineering, Institute for Data, Systems, and Society, Technology and Policy Program S.M. Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science 106 pages eng Massachusetts Institute of Technology MIT theses may be protected by copyright. Please reuse MIT thesis content according to the MIT Libraries Permissions Policy, which is available through the URL provided. http://dspace.mit.edu/handle/1721.1/7582 Institute for Data, Systems, and Society. Technology and Policy Program. Electrical Engineering and Computer Science. Privacy-preserving identity transactions online : the use case of brokered identity federations Thesis application/pdf 2021-05-24T20:24:05Z Publication Master TPP ESD IDSS EECS unknown unknown <Publication xmlns="https://www.openaire.eu/cerif-profile/1.1/" id="d771837b-87e8-429f-a0cc-50e7942e4236"> <Type xmlns="https://www.openaire.eu/cerif-profile/vocab/COAR_Publication_Types">http://purl.org/coar/resource_type/c_1843</Type> <Language>eng</Language> <Title>Privacy-preserving identity transactions online : the use case of brokered identity federations</Title> <PublishedIn> <Publication> </Publication> </PublishedIn> <PublicationDate>2021</PublicationDate> <Authors> <Author> <DisplayName>Shahid, Maryam,S.M.Massachusetts Institute of Technology.</DisplayName> <Affiliation> <OrgUnit> </OrgUnit> </Affiliation> </Author> </Authors> <Editors> </Editors> <Publishers> <Publisher> <DisplayName>Massachusetts Institute of Technology</DisplayName> <OrgUnit /> </Publisher> </Publishers> <License>http://dspace.mit.edu/handle/1721.1/7582</License> <Keyword>Institute for Data, Systems, and Society.</Keyword> <Keyword>Technology and Policy Program.</Keyword> <Keyword>Electrical Engineering and Computer Science.</Keyword> <Abstract>Disinformation campaigns, created by fake accounts on online community platforms, have grown into one of the biggest threats against democracy, freedom and user perception of the truth. This thesis argues that mitigating this abuse and establishing trust online does not necessitate exposing identifying information about users on such platforms. Examples of identity mechanisms used by current platforms to curb this bad behaviour are included in the thesis to showcase the gaps in current schemes. There is a need to remodel the flow of identity transactions to cater to both anonymity and accountability considerations. To that extent, this thesis presents a use case of Brokered Identity Federations as a means to implement a one-time blind proof-of-existence that establishes a real-person is behind an account without revealing any excess identifiable information. The proposed architecture incorporates proof-of-existence by leveraging and re-purposing already existing enterprises, amongst whom identity interactions are divided, to maintain user anonymity while ensuring accountability in terms of limiting mass account creation. Lastly, the thesis discusses key considerations to take into account before the proposed architecture can be successfully realized.</Abstract> <Access xmlns="http://purl.org/coar/access_right" > </Access> </Publication>