Intrusion Detection Engine Using Secure Log Analysis
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Solution Overview
Problem
Detecting and preventing security attacks in computing systems, particularly unauthorized access and vulnerabilities like buffer overflow, which compromise system integrity and availability, remains a significant challenge.
Innovation Solution
Implementing an intrusion detection engine within the computing system's management system that utilizes a secure log store to monitor and analyze log records for anomalies, such as unauthorized authentication attempts or deviations from predefined milestone actions, enabling real-time detection and prevention of security intrusions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional security measures are used to prevent and detect security breaches, then basic security protection is provided, but detecting and addressing security attacks remains a major challenge due to unauthorized users exploiting vulnerabilities
Solution Approach 1:
The system performs preliminary actions by establishing predefined milestone actions and authentication processes before security attacks occur. The intrusion detection engine proactively monitors for deviations from these predefined sequences, enabling early detection of unauthorized access attempts and vulnerabilities before they can compromise system integrity.
Solution Approach 2:
The system implements continuous feedback by monitoring log records and comparing actual system actions against predefined milestone actions. The intrusion detection engine provides real-time feedback when deviations are detected, enabling dynamic response to security threats and continuous improvement of security detection capabilities.
2Difficulty of detecting and measuring
If an intrusion detection engine is implemented to monitor and analyze log records in real-time, then detection capability is improved, but device complexity increases
Solution Approach 1:
The intrusion detection system is segmented into distinct functional modules: an authentication process with predefined milestone actions, a logging mechanism that captures specific events, and an intrusion detection engine that analyzes log records. This modular segmentation enables sophisticated security monitoring while maintaining manageable system complexity through clear separation of concerns.
Solution Approach 2:
The system introduces log records as an intermediary layer between system operations and security analysis. Instead of directly monitoring all system activities, the intrusion detection engine analyzes structured log records that capture relevant milestone actions and authentication events, simplifying the detection process while maintaining comprehensive monitoring capability.
3Measurement precision
If comprehensive log monitoring is performed to detect all security vulnerabilities, then detection precision is improved, but processing time and system resources increase
Solution Approach 1:
The system applies local quality by focusing monitoring efforts on specific critical milestone actions and authentication events rather than uniformly monitoring all system activities. The predefined milestone actions identify key security-relevant points where deviations are most likely to indicate intrusions, enabling precise detection with reduced processing overhead.
Solution Approach 2:
The system performs partial monitoring by selectively capturing and analyzing only those log records that correspond to predefined milestone actions and authentication processes. This partial action approach provides sufficient detection precision for security threats while avoiding the excessive processing time and resources that would result from comprehensive monitoring of all system events.
Data Source
AI summary
Some examples relate to detecting a security intrusion in a computer system. In an example, the detection of the security intrusion may be performed by analyzing a plurality of log records generated corresponding to a plurality of milestone actions performed during invocation of an operation on the computing system, based on a rule-set. Upon detection of a deviation in the plurality of log record from the rule-set, a security action is performed.