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A Data Mining Framework for Building Intrusion Detection Models
- In IEEE Symposium on Security and Privacy
, 1999
"... There is often the need to update an installed Intrusion Detection System (IDS) due to new attack methods or upgraded computing environments. Since many current IDSs are constructed by manual encoding of expert security knowledge, changes to IDSs are expensive and slow. In this paper, we describe a ..."
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Cited by 214 (21 self)
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There is often the need to update an installed Intrusion Detection System (IDS) due to new attack methods or upgraded computing environments. Since many current IDSs are constructed by manual encoding of expert security knowledge, changes to IDSs are expensive and slow. In this paper, we describe a data mining framework for adaptively building Intrusion Detection (ID) models. The central idea is to utilize auditing programs to extract an extensive set of features that describe each network connection or host session, and apply data mining programs to learn rules that accurately capture the behavior of intrusions and normal activities. These rules can then be used for misuse detection and anomaly detection. Detection models for new intrusions or specific components of a network system are incorporated into an existing IDS through a meta-learning (or co-operative learning) process, which produces a meta detection model that combines evidence from multiple models. We discuss the strengths...
An Approach for Detecting Self-Propagating Email Using Anomaly Detection
- In Proceedings of the Sixth International Symposium on Recent Advances in Intrusion Detection
, 2003
"... This paper develops a new approach for detecting self-propagating email viruses based on statistical anomaly detection. Our approach assumes that a key objective of an email virus attack is to eventually overwhelm mail servers and clients with a large volume of email traffic. Based on this assump ..."
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Cited by 21 (0 self)
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This paper develops a new approach for detecting self-propagating email viruses based on statistical anomaly detection. Our approach assumes that a key objective of an email virus attack is to eventually overwhelm mail servers and clients with a large volume of email traffic. Based on this assumption, the approach is designed to detect increases in traffic volume over what was observed during the training period. This paper describes our approach and the results of our simulation-based experiments in assessing the effectiveness of the approach in an intranet setting. Within the simulation setting, our results establish that the approach is effective in detecting attacks all of the time, with very few false alarms. In addition, attacks could be detected sufficiently early so that clean up efforts need to target only a fraction of the email clients in an intranet.
Automated Intrusion Detection using NFR: Methods and Experiences
- IN USENIX INTRUSION DETECTION WORKSHOP
, 1999
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