Automated Risk Evaluation for IoT Vulnerability Impact
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Solution Overview
Problem
Existing risk evaluation and countermeasure planning systems for IoT systems cannot determine the impact of vulnerabilities on assets or services, making it difficult to decide on the necessary countermeasures or security tests to mitigate risks effectively.
Innovation Solution
A risk evaluation and countermeasure planning system that includes a processing apparatus and storage apparatus, which analyzes vulnerabilities, threats, and plans countermeasures and security tests based on design information, threat analysis, and vulnerability data, evaluating the impact and generating effective countermeasures and test plans.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If security countermeasures are implemented based on expert findings, then security expertise can be utilized, but the determination of how far to implement countermeasures becomes subjective and inconsistent
Solution Approach 1:
The patent replaces the manual expert analysis process with an automated information processing system that uses databases and calculation units to objectively determine countermeasure priorities. The system substitutes human expert judgment with algorithmic processing based on vulnerability impact calculations, eliminating subjectivity while maintaining security expertise through structured data analysis.
Solution Approach 2:
The patent introduces an intermediary information processing system that mediates between vulnerability detection and countermeasure implementation. This system uses databases storing vulnerability information, asset information, and countermeasure information, along with calculation units that process this data to generate objective countermeasure priority rankings, serving as a bridge between problem identification and solution implementation.
2Measurement precision
If comprehensive security analysis is performed to determine vulnerability impact on assets and services, then accurate countermeasure planning is enabled, but the analysis process becomes more complex
Solution Approach 1:
The patent segments the security analysis system into distinct functional modules: a vulnerability analysis unit that identifies vulnerabilities, a database system that stores and organizes vulnerability, asset, and countermeasure information, and a calculation unit that processes this data to determine impact. This segmentation allows comprehensive analysis while managing complexity through modular architecture, where each component has a specific function.
Solution Approach 2:
The patent changes the parameters of analysis by introducing quantitative metrics for vulnerability impact assessment. Instead of qualitative expert judgment, the system uses calculated parameters such as impact degree, asset value, and countermeasure effectiveness scores. These parameter changes enable precise measurement of vulnerability impact while providing a structured framework that manages analytical complexity.
3Adaptability or versatility
If expert-based security countermeasure decisions are made, then security knowledge can be applied, but consistent and objective determination of countermeasure scope is difficult
Solution Approach 1:
The patent implements feedback mechanisms where the information processing system continuously refines countermeasure recommendations based on calculated vulnerability impact data. The system provides feedback on the relationship between implemented countermeasures and reduced vulnerability impact, allowing for objective adjustment and optimization of countermeasure scope. This feedback loop enables consistent determination while maintaining adaptability to different security scenarios.
Data Source
AI summary
The present invention is provided with a threat analysis processing unit that, on the basis of an analysis result from the vulnerability analysis unit, analyzes a threat to the system and outputs a threat analysis result; a countermeasure planning unit that, on the basis of the threat analysis result and vulnerability information, plans the countermeasure plan which reduces the impact of the vulnerability; a security test planning unit that plans the security test on the basis of the countermeasure plan; an evaluation calculation unit that performs an evaluation on the basis of the security test, and outputs an evaluation result; and a result processing unit that processes the evaluation result and generates a security countermeasure.