Vehicle Threat Information Abstraction for Cross-Type Risk Evaluation
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Solution Overview
Problem
Existing systems lack a method to determine the usefulness and urgency of threat information for vehicle types different from the one where the threat occurred, and existing methods do not effectively evaluate threat information without revealing vulnerabilities specific to a vehicle type.
Innovation Solution
A threat information deploying system that includes an obtainer, a threat information abstractor, and an outputter to generate abstracted threat information by deleting vehicle-type-specific information and assigning a risk value for a different vehicle type, allowing effective deployment and evaluation of threat information across vehicle types.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If threat information is shared across different vehicle types, then security response capability is improved, but vulnerability revelation and inapplicability to specific vehicle types occur
Solution Approach 1:
The patent extracts vehicle-type-specific information from threat information to create abstracted threat information that can be universally applied across different vehicle types. This extraction process removes identifying characteristics that would reveal vulnerabilities of specific vehicle types while preserving the essential threat detection capabilities.
Solution Approach 2:
The patent creates abstracted threat information that serves multiple vehicle types simultaneously. By generalizing the threat information to remove vehicle-type-specific details, a single abstracted threat information set can be applied across diverse vehicle types, improving both universality and security response capability.
2Measurement precision
If vehicle-type-specific threat information is accumulated, then detection accuracy for that vehicle type is improved, but sharing and widespread utilization are hindered
Solution Approach 1:
The patent introduces abstracted threat information as an intermediary between vehicle-type-specific threat information and universal threat information. This intermediary form allows accurate threat detection to be translated into a shareable format that maintains effectiveness across different vehicle types without revealing specific vulnerabilities.
3Productivity
If threat information is generalized for wide application, then sharing efficiency is improved, but detection precision for specific vehicle types deteriorates
Solution Approach 1:
The patent creates abstracted threat information as a copy that preserves the essential detection patterns while removing vehicle-type-specific identifiers. This copying approach allows threat information to be replicated and shared across different vehicle types without losing the core detection accuracy needed for identifying security threats.
Data Source
AI summary
A monitoring server of an in-vehicle control network system includes a threat information generator that obtains first threat information pertaining to a threat that has occurred in a vehicle of a first vehicle type, a threat information abstractor that generates abstracted threat information by deleting information specific to the first vehicle type from the first threat information, and a display that outputs second threat information generated based on the abstracted threat information and including a risk value indicating a risk level of the threat to a second vehicle type different from the first vehicle type.