Using attack graphs for correlating, hypothesizing, and predicting intrusion alerts

  title={Using attack graphs for correlating, hypothesizing, and predicting intrusion alerts},
  author={Lingyu Wang and Anyi Liu and Sushil Jajodia},
  journal={Computer Communications},
To defend against multi-step intrusions in high-speed networks, efficient algorithms are needed to correlate isolated alerts into attack scenarios. Existing correlation methods usually employ an in-memory index for fast searches among received alerts. With finite memory, the index can only be built on a limited number of alerts inside a sliding window. Knowing this fact, an attacker can prevent two attack steps from both falling into the sliding window by either passively delaying the second… CONTINUE READING
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Towards a theory of insider threat assessment

  • A. R. Chinchani andIyer, H. Ngo, S. Upadhyay
  • in: Proceedings of the IEEE International…
  • 2005
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