Security Log Reliability Assessment Using Sensor Operation Status
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Solution Overview
Problem
Existing systems transmit detection information from vehicle sensors without verifying their operational integrity, leading to inaccurate data transmission and increased processing load on external monitoring systems, which can compromise cyberattack analysis accuracy and increase network load.
Innovation Solution
A log determination method that assesses the reliability of security logs by acquiring operation information from multiple security sensors, including first and second sensors, to determine the credibility of abnormal logs and only transmit highly reliable data to external monitoring systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If detection information is transmitted without verifying sensor operational integrity, then transmission load is reduced and processing is simplified, but data accuracy and reliability deteriorate
Solution Approach 1:
The system performs preliminary verification of sensor operational integrity by checking operation information (such as sensor status, calibration data, and functional tests) before transmitting detection information. This preliminary action ensures that only data from properly functioning sensors is transmitted, improving data accuracy while maintaining a manageable verification process through automated checks.
2Loss of information
If all detection information is transmitted to external monitoring systems, then complete data availability is achieved, but network load and processing requirements increase
Solution Approach 1:
The system extracts and transmits only the essential verification information (operation status, reliability indicators) separately from the main detection data. This allows the external monitoring system to filter and process only high-quality data, reducing network load while maintaining data completeness for reliable transmissions. Unreliable data is identified and excluded through the verification process.
3Reliability
If sensor operation verification is performed before transmission, then data reliability improves, but transmission time and processing delay increase
Solution Approach 1:
The system performs sensor operation verification in advance and maintains cached verification results for multiple detection events. This preliminary action allows subsequent transmissions to use pre-verified sensor status information, improving log reliability while minimizing transmission delays. The verification process is optimized to complete quickly and results are reused for multiple data points.
4Measurement precision
If multiple sensors are monitored to assess log reliability, then accuracy assessment improves, but system complexity and measurement difficulty increase
Solution Approach 1:
The system implements a universal verification framework that handles multiple sensor types through a common interface and standardized operation information structure. This multi-functional approach allows the same verification process to assess reliability across different sensor types (accelerometers, gyroscopes, cameras), improving reliability assessment accuracy while reducing overall system complexity through standardization.
Data Source
AI summary
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.