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1. (WO2018048427) USER AUTHENTICATION

Pub. No.:    WO/2018/048427    International Application No.:    PCT/US2016/051063
Publication Date: Fri Mar 16 00:59:59 CET 2018 International Filing Date: Sat Sep 10 01:59:59 CEST 2016
IPC: G06F 21/31
G06F 21/50
G06F 21/55
Applicants: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventors: LIU, Lei
GE, Ning
SIMSKE, Steven J,
HOLDER, Helen A.
Title: USER AUTHENTICATION
Abstract:
Examples associated with user authentication are described. One example method includes authenticating a user of a device using a static authentication technique. A behavior profile associated with the user is loaded. The behavior profile describes a pattern of device usage behavior by the user in a three-dimensional space over a time slice. The behavior profile also identifies distinctive user habits. Usage of the device is monitored, and a behavior similarity index is periodically updated. The behavior similarity index describes a similarity between the usage of the device and the pattern of device usage behavior. The behavior similarity index is weighted based on the distinctive user habits. Access to the device is restricted when the behavior similarity index reaches a predefined threshold.