公开(公告)号：US20220311781A1

公开(公告)日：2022-09-29

申请号：US17840224

申请日：2022-06-14

Applicant: Panasonic Intellectual Property Corporation of America

Inventor： Manabu MAEDA ,  Daisuke KUNIMUNE

IPC: H04L9/40 ,  H04L67/12 ,  B60R16/023

Abstract: A selection method is for selecting a reference message to be used to detect unauthorized communication in an in-vehicle network system including a network and one or more electronic control units connected to the network. The reference message is used as a reference for determining whether a message sent to the network is anomalous. The selection method includes: storing candidate information regarding one or more reference message candidates each being a candidate of the reference message; selecting, based on the candidate information regarding the one or more reference message candidates stored in the storing, the selection method for selecting the reference message from among the one or more reference message candidates; and selecting the reference message from among the one or more reference message candidates using the selection method.

公开(公告)号：US20230370480A1

公开(公告)日：2023-11-16

申请号：US18225957

申请日：2023-07-25

Applicant: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA

Inventor： Manabu MAEDA ,  Takeshi KISHIKAWA ,  Daisuke KUNIMUNE

IPC: H04L9/40 ,  H04L12/40 ,  G06N20/00 ,  B60R16/023

CPC classification number: H04L63/1416 ,  H04L12/40 ,  G06N7/01 ,  G06N20/00 ,  H04L2012/40215 ,  B60R16/023

Abstract: A reference message determining method is used in unauthorized communication detection in an onboard network system that is executed by an information processing system including at least one memory. The onboard network system including a network and one or more electronic control units connected to the network. The method includes executing unauthorized activity detection for determining whether or not a message received from the network is an attack message. A message that could not be determined to be unauthorized is regarded as a gray message. The method also includes determining whether or not the gray message is unauthorized again at a predetermined timing. In a case where the gray message is determined to be an attack message in the unauthorized-activity-detection executing operation, a communication pattern is identified based on information relating to the gray message and information relating to the plurality of the received messages previously determined as unauthorized.

公开(公告)号：US20250039212A1

公开(公告)日：2025-01-30

申请号：US18917154

申请日：2024-10-16

Applicant: Panasonic Intellectual Property Corporation of America

Inventor： Manabu MAEDA ,  Takeshi KISHIKAWA ,  Daisuke KUNIMUNE

IPC: H04L9/40 ,  H04L12/40

Abstract: A fraud detection method includes: determining whether a period of a message repeatedly transmitted in an in-vehicle network is anomalous; detecting whether arbitration occurs when the message is transmitted in the in-vehicle network; and determining that the message is an anomalous message, in the case where the period of the message is anomalous and no arbitration occurs when the message is transmitted in the in-vehicle network.

公开(公告)号：US20220368708A1

公开(公告)日：2022-11-17

申请号：US17876204

申请日：2022-07-28

Applicant: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA

Inventor： Manabu MAEDA ,  Takeshi KISHIKAWA ,  Daisuke KUNIMUNE

IPC: H04L9/40 ,  B60R16/023 ,  G06F21/55

Abstract: An unauthorized activity detection method in an onboard network system. The detection method includes determining whether or not a message sent out onto the network is an attack message, saving information relating to the attack message in at least one memory in a case where the message is an attack message, identifying a communication pattern from information relating to the attack message, and determining whether or not the message matches a communication pattern. The determination of whether an attack message and determination of whether matching a communication pattern are executed on each of a plurality of messages received from the network. In the determining of whether an attack message executed on a message received after executing of determining of whether matching a communication pattern, results of the determination of whether an attack message that has already be executed are used.

公开(公告)号：US20210194902A1

公开(公告)日：2021-06-24

申请号：US17194514

申请日：2021-03-08

Applicant: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA

Inventor： Manabu MAEDA ,  Takeshi KISHIKAWA ,  Daisuke KUNIMUNE

IPC: H04L29/06 ,  B60R16/023 ,  G06F21/55

Abstract: An unauthorized activity detection method in an onboard network system. The detection method includes determining whether or not a message sent out onto the network is an attack message, saving information relating to the attack message in at least one memory in a case where the message is an attack message, identifying a communication pattern from information relating to the attack message, and determining whether or not the message matches a communication pattern. The determination of whether an attack message and determination of whether matching a communication pattern are executed on each of a plurality of messages received from the network. In the determining of whether an attack message executed on a message received after executing of determining of whether matching a communication pattern, results of the determination of whether an attack message that has already be executed are used.

公开(公告)号：US20200021611A1

公开(公告)日：2020-01-16

申请号：US16583996

申请日：2019-09-26

Applicant: Panasonic Intellectual Property Corporation of America

Inventor： Manabu MAEDA ,  Takeshi KISHIKAWA ,  Daisuke KUNIMUNE

IPC: H04L29/06 ,  H04L12/40 ,  H04W12/12

Abstract: A fraud detection method includes: determining whether a period of a message repeatedly transmitted in an in-vehicle network is anomalous; detecting whether arbitration occurs when the message is transmitted in the in-vehicle network; and determining that the message is an anomalous message, in the case where the period of the message is anomalous and no arbitration occurs when the message is transmitted in the in-vehicle network.