MACA: A privacy-preserving multi-factor cloud authentication system utilizing big data

@article{Liu2014MACAAP,
  title={MACA: A privacy-preserving multi-factor cloud authentication system utilizing big data},
  author={Wenyi Liu and A. Selcuk Uluagac and Raheem A. Beyah},
  journal={2014 IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS)},
  year={2014},
  pages={518-523}
}
Multi-factor authentication (MFA) is an approach to user validation that requires the presentation of two or more authentication factors. Given the popularity of cloud systems, MFA systems become vital in authenticating users. However, MFA approaches are highly intrusive and expose users' sensitive information to untrusted cloud servers that can keep physically identifying elements of users, long after the user ends the relationship with the cloud. To address these concerns in this work, we… CONTINUE READING
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