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On a pattern-oriented model for intrusion detection
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DOI：10.1109/69.617059.png)
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Abstract
En 中文
Operational security problems, which are often the result of access authorization misuse, can lead to intrusion in secure computer systems. We motivate the need for pattern-oriented intrusion detection, and present a model that tracks both data and privilege flows within secure systems to detect context-dependent intrusions caused by operational security problems. The model allows the uniform representation of various types of intrusion patterns, such as those caused by unintended use of foreign programs and input data, imprudent choice of default privileges, and use of weak protection mechanisms. As with all pattern-oriented models, this model cannot be used to detect new, unanticipated intrusion patterns that could be detected by statistical models. For this reason, we expect that this model will complement, not replace, statistical models for intrusion detection.
Keywords:
access misuse
audit analysis
context-dependent intrusion
intrusion detection
operational security problems
statistical methods
rule-based methods
secure systems
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