TY  - GEN
A1  - Klieme, Eric
A1  - Tietz, Christian
A1  - Meinel, Christoph
T1  - Beware of SMOMBIES
BT  - Verification of Users based on Activities while Walking
T2  - The 17th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (IEEE TrustCom 2018)/the 12th IEEE International Conference on Big Data Science and Engineering (IEEE BigDataSE 2018)
N2  - Several research evaluated the user's style of walking for the verification of a claimed identity and showed high authentication accuracies in many settings. In this paper we present a system that successfully verifies a user's identity based on many real world smartphone placements and yet not regarded interactions while walking. Our contribution is the distinction of all considered activities into three distinct subsets and a specific one-class Support Vector Machine per subset. Using sensor data of 30 participants collected in a semi-supervised study approach, we prove that unsupervised verification is possible with very low false-acceptance and false-rejection rates. We furthermore show that these subsets can be distinguished with a high accuracy and demonstrate that this system can be deployed on off-the-shelf smartphones.
KW  - gait
KW  - authentication
KW  - smartphone
KW  - activities
KW  - verification
KW  - behavioral
KW  - continuous
Y1  - 2018
SN  - 978-1-5386-4387-7
SN  - 978-1-5386-4389-1
U6  - https://doi.org/10.1109/TrustCom/BigDataSE.2018.00096
SN  - 2324-9013
SP  - 651
EP  - 660
PB  - IEEE
CY  - New York
ER  -