An Exploration of Geographic Authentication Schemes

  title={An Exploration of Geographic Authentication Schemes},
  author={Brent MacRae and Amirali Salehi-Abari and Julie Thorpe},
  journal={IEEE Transactions on Information Forensics and Security},
We design and explore the usability and security of two geographic authentication schemes: GeoPass and GeoPassNotes. GeoPass requires users to choose a place on a digital map to authenticate with (a location password). GeoPassNotes-an extension of GeoPass-requires users to annotate their location password with a sequence of words that they can associate with the location (an annotated location password). In GeoPassNotes, users are authenticated by correctly entering both a location and an… CONTINUE READING