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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 (7-1 Shiba 5-chome, Minato-k, Tokyo 01, 〒1088001, JP)
YAMANO Satoru (7-1 Shiba 5-chome, Minato-k, Tokyo 01, 〒1088001, JP)
Application Number:
JP2018/017735
Publication Date:
November 14, 2019
Filing Date:
May 08, 2018
Export Citation:
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Assignee:
NEC CORPORATION (7-1 Shiba 5-chome, Minato-ku Tokyo, 01, 〒1088001, JP)
International Classes:
B60R16/02; H04L12/40
Attorney, Agent or Firm:
SHIMOSAKA Naoki (7-1 Shiba 5-chome, Minato-k, Tokyo 01, 〒1088001, JP)
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