Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SURVEILLANCE DEVICE, LEARNING DEVICE, SURVEILLANCE METHOD, LEARNING METHOD AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2019/215807
Kind Code:
A1
Abstract:
Provided is a surveillance device and the like with which it is possible to improve the accuracy of detection of unauthorized frames from among frames that include data representing the state of a device, which flow through a network. A surveillance device (103) pertaining to one embodiment of this invention comprises: a calculation unit (120) which calculates the change in state of a device on the basis of values for parameters which represent the state of the device, and which are included in received data frames; and a determination unit (170) which determines whether the change is included within the permissible range stipulated according to the state of the device before the change.

Inventors:
KONASHI TAKASHI (JP)
YAMANO SATORU (JP)
Application Number:
JP2018/017735
Publication Date:
November 14, 2019
Filing Date:
May 08, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NEC CORP (JP)
International Classes:
B60R16/02; H04L12/40
Domestic Patent References:
WO2017119027A12017-07-13
WO2016143072A12016-09-15
Attorney, Agent or Firm:
SHIMOSAKA Naoki (JP)
Download PDF: