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An Improved Event Scenario Correlation Method for Multi-Source Security Log

초록

영어

Developing computer technologies and a network of persistently growing size put massive hosts and transmission devices in a vast network at increasingly higher risks. Log information of various devices can facilitate the detection of intrusion and attacks. Log information from a single data source is, however, with limitations. The analysis results cannot precisely reflect the current network situation if log information in a single data source is analyzed without correlation to analysis of log information from different data sources. To better demonstrate network situation, this paper proposes an improved event scenario correlation method for multi-source log analysis via researching on numerous existing data fusion methods and event correlation methods as well as integration of conventional event scenario correlation (ESC) method with fuzzy reasoning. Experimental results prove that the proposed method significantly reduces the False Positive rate (FP rate) and False Negative rate (FN rate) of security logs.

목차

Abstract
 1. Introduction
 2. Related Work
  2.1 Data Fusion
  2.2 Event Correlation Methods
 3. Preliminaries
  3.1 Definition of Multi-source Security Log Fusion
  3.2 Basic Ideas of Fuzzy Reasoning
  3.3 Definitions of Event Scenario Correlation
 4. Mathematic Model of Multi-source Security Log Fusion based on Fuzzy Reasoning
 5. Event scenario Correlation Method Combined with Fuzzy Reasoning
  5.1 Calculation of Correlation Similarity
  5.2 Log Data Fusion based on Fuzzy Clustering
  5.3 Improvement of Correlation Algorithm with Fuzzy Clustering
 6. Experiments and Analysis
  6.1. Dataset Description
  6.2. Experimental Results and Analysis
 7. Conclusion and Future Work
 References

저자정보

  • Qianyun Wang College of Software Engineering, Chongqing University, Chongqing, China
  • Shuyu Chen College of Software Engineering, Chongqing University, Chongqing, China
  • Hancui Zhang College of Software Engineering, Chongqing University, Chongqing, China
  • Tianshu Wu College of Computer Science, Chongqing University, Chongqing, China

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