Abstract: A log management device acquires an alive monitoring log indicating that a security sensor of an electronic control unit mounted on a vehicle is operating; records acquisition of the alive monitoring log in an alive monitoring table; identifies an unacquired alive monitoring log, and records, in the alive monitoring table, an unacquired period during which the unacquired alive monitoring log is not acquired; and invalidates a record of the unacquired alive monitoring log in the alive monitoring table when the unacquired period of the unacquired alive monitoring log is equal to or longer than a predetermined period.

Abstract: A processor of a vehicle monitoring device obtains log information of an event that has occurred in a vehicle on-board device, determines whether a diagnosis is necessary based on the obtained log information, and transmits a diagnostic data set to an external server when determining that a diagnosis is necessary. The diagnostic data set transmitted to the server by the processor includes log information based on which a diagnosis is determined to be necessary, log information that is obtained prior to the determination, and log information that is obtained after the determination.

Abstract: A communication system includes a relay device and a diagnosis target device. The relay device includes a port configured to connect a diagnostic tool. The diagnosis target device is connected to the relay device via a bus. The relay device determines whether a communication path of diagnostic data for diagnosing the diagnosis target device is correct when the relay deice has received the diagnostic data, the diagnostic data being data that is transferred between the relay device and the diagnostic tool. The relay device sends to the diagnosis target device a monitoring result including a determination result as to whether the communication path of the diagnostic data is correct.

Abstract: By an electronic control system, a log processing method, or a non-transitory computer-readable storage medium storing a log processing program, an electronic control unit is caused to: detect an abnormality in the electronic control unit when a power source state is an ignition-on state and an ignition-off state; acquire power source information of a vehicle; generate a security event log; store the security event log; and transmit the security event log.

Abstract: A log management device includes a detection log reception unit configured to receive a detection log indicating a detection result of a security sensor of an electronic control unit mounted on a vehicle, a liveness monitoring log reception unit configured to receive a liveness monitoring log indicating that the security sensor is operating, a liveness monitoring function detection log generation unit configured to generate a liveness monitoring function detection log indicating an operation start and an operation stop of the security sensor based on a reception status of the liveness monitoring log, and an output unit configured to output the liveness monitoring function detection log and the detection log received during a first period.

Abstract: A communication system includes a relay device and a diagnosis target device. The relay device includes a port configured to connect a diagnostic tool. The diagnosis target device is connected to the relay device via a bus. When the diagnosis target device has received specific data whose source appears to be the diagnostic tool, the diagnosis target device sends an inquiry signal for inquiring of the relay device about a monitoring result for the specific data. The relay device determines in response to the inquiry signal whether the specific data is legitimate data from the diagnostic tool. The relay device sends the monitoring result including a determination result to the diagnosis target device.

Abstract: A log determination method includes acquiring a security log from a first security sensor that generates a security log when an event is detected, acquiring first operation information indicating whether the first security sensor is operating normally and second operation information indicating whether a second security sensor different from the first security sensor is operating normally, respectively, when the security log indicates an abnormal log showing an abnormal event, determining a reliability of the abnormal log based on the first operation information and the second operation information, and outputting the reliability.

Abstract: By an abnormality monitoring device, an abnormality monitoring method, a non-transitory computer-readable storage medium storing an abnormality monitoring program, an abnormality in an electronic control system mounted on a mobile object is monitored, and the abnormality is reported to a center device, a first monitoring target group, which is a set including a part of all of a monitoring target candidate in the electronic control system, is determined based on first identification information synchronized between the abnormality monitoring device and the center device, and a process is executed on the first monitoring target group to ensure security.

Abstract: An attack analyzer includes: a security log acquisition unit acquiring a security log including an abnormality detection signal generated by a security sensor mounted on an electronic control device constituting part of an electronic control system and indicating that the security sensor has detected an abnormality; an alive signal acquisition unit acquiring an alive signal; a prediction table storage unit storing a prediction table showing a correspondence relationship between a predicted attack route in the electronic control system and a predicted abnormality detection signal predicted to be generated by the security sensor; an attack route estimation unit estimating, using the prediction table, the attack route of an attack received by the electronic control system from the abnormality detection signal and the alive signal included in the security log; and an attack information output unit outputting attack information indicating the attack route.

Abstract: By a log determination device, a log determination method, a non-transitory computer-readable storage medium storing a log determination program, a log determination support device, a log determination support method, or a non-transitory computer-readable storage medium storing a log determination support program, a risk degree of attack reception by an electronic control system mounted on a mobile object is determined, whether the electronic control system has received the attack is determined.

Abstract: A log management device acquires an alive monitoring log indicating that a security sensor of an electronic control unit mounted on a vehicle is operating; records acquisition of the alive monitoring log in an alive monitoring table; identifies an unacquired alive monitoring log, and records, in the alive monitoring table, an unacquired period during which the unacquired alive monitoring log is not acquired; and invalidates a record of the unacquired alive monitoring log in the alive monitoring table when the unacquired period of the unacquired alive monitoring log is equal to or longer than a predetermined period.

Abstract: An endoscope includes a distal end frame disposed at a distal end of an insertion part; an image pickup unit disposed inside the insertion part; an illumination unit disposed inside the insertion part; and an illumination lens disposed on a side opposite to the illumination unit with the distal end frame interposed therebetween. The illumination lens is a plano-convex lens and disposed with a flat surface thereof facing the illumination unit. The illumination unit has an exit surface in which illumination light emerges, and the following Conditional Expression (1) is satisfied: arc sin(nL×sin ?L/nW)?arc cos((?/2)/R)??(1).

Abstract: By an electronic control system, a log processing method, or a non-transitory computer-readable storage medium storing a log processing program, an electronic control unit is caused to: detect an abnormality in the electronic control unit when a power source state is an ignition-on state and an ignition-off state; acquire power source information of a vehicle; generate a security event log; store the security event log; and transmit the security event log.

Abstract: A communication system includes a relay device and a diagnosis target device. The relay device includes a port configured to connect a diagnostic tool. The diagnosis target device is connected to the relay device via a bus. The relay device determines whether a communication path of diagnostic data for diagnosing the diagnosis target device is correct when the relay deice has received the diagnostic data, the diagnostic data being data that is transferred between the relay device and the diagnostic tool. The relay device sends to the diagnosis target device a monitoring result including a determination result as to whether the communication path of the diagnostic data is correct.

Abstract: A communication system includes a relay device and a diagnosis target device. The relay device includes a port configured to connect a diagnostic tool. The diagnosis target device is connected to the relay device via a bus. When the diagnosis target device has received specific data whose source appears to be the diagnostic tool, the diagnosis target device sends an inquiry signal for inquiring of the relay device about a monitoring result for the specific data. The relay device determines in response to the inquiry signal whether the specific data is legitimate data from the diagnostic tool. The relay device sends the monitoring result including a determination result to the diagnosis target device.

Abstract: A processor of a vehicle monitoring device obtains log information of an event that has occurred in a vehicle on-board device, determines whether a diagnosis is necessary based on the obtained log information, and transmits a diagnostic data set to an external server when determining that a diagnosis is necessary. The diagnostic data set transmitted to the server by the processor includes log information based on which a diagnosis is determined to be necessary, log information that is obtained prior to the determination, and log information that is obtained after the determination.

Abstract: An information processing apparatus includes a processor configured to notify a user of a status of use for each of plural attribute items of plural search target data on the basis of attribute use status information that indicates a status of use of an attribute item for each of the plural search target data.

Abstract: A fracture surface inspection device for inspecting a first fracture surface and a second fracture surface that are generated through fracture splitting, which is provided with a data acquisition unit configured to acquire two-dimensional data and three-dimensional data on each of the fracture surfaces, a contour extraction unit configured to extract, from the two-dimensional data, a first contour of the first fracture surface and a second contour of the second fracture surface, a transformation amount calculation unit configured to calculate a transformation amount X(affine) when the second contour is affine-transformed to the first contour, a distortion correction unit configured to calculate distortion correction data by affine-transforming the three-dimensional data on the second fracture surface with the transformation amount X(affine), and a comparison unit configured to compare the three-dimensional data on the first fracture surface and the distortion correction data.

Abstract: Provided is an alkyl-modified carboxyl group-containing copolymer with which a neutralized viscous liquid can be prepared which has excellent dispersibility in water, has a viscosity that does not change greatly regardless of addition of an electrolyte, and has high transparency in the presence of an electrolyte. This alkyl-modified carboxyl group-containing copolymer contains: 100 parts by mass of a (meth)acrylic acid; 1.5-4.5 parts by mass of a (meth)acrylic acid alkyl ester, in which an alkyl group has 18-24 carbon atoms; and 0-0.1 parts by mass of a compound having two or more ethylenically unsaturated groups, wherein the copolymer contains 1.5-4.5 parts by mass of a nonionic surfactant.

Abstract: The disclosure provides an information processing apparatus, an information processing system, and an information processing method capable of allowing a user to approach a destination intuitively. An information processing apparatus according to the present technology includes a position-coordinate acquisition part, a direction acquisition part, a direction calculation part, and a haptic-feedback determining part. The position-coordinate acquisition part acquires a position coordinate of the information processing apparatus. The direction acquisition part acquires an apparatus direction that the information processing apparatus faces. The direction calculation part calculates a target direction being a direction of a target with respect to the information processing apparatus from a position coordinate of the target and the position coordinate of the information processing apparatus.