Sensing Attacks in Computers Networks with Hidden Markov Models

  title={Sensing Attacks in Computers Networks with Hidden Markov Models},
  author={Davide Ariu and Giorgio Giacinto and Roberto Perdisci},
In this work, we propose an Intrusion Detection model for computer newtorks based on Hidden Markov Models. While stateful techniques are widely used to detect intrusion at the operating system level, by tracing the sequences of system calls, this issue has been rarely researched for the analysis of network tra c. The proposed model aims at detecting intrusions by analysing the sequences of commands that ow between hosts in a network for a particular service (e.g., an ftp session). First the… CONTINUE READING
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