Network Intrusion Detection Using Layered Approach and Hidden Markov Model

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Provided by: International Journal of Computer Applications
Topic: Security
Format: PDF
Traditional intrusion detection systems uses either anomaly based or signature based technique. Both of these techniques have some problems. In anomaly based intrusion detection, the strategy is to suspect an unusual activity and thereby to continue further investigation. This approach is particularly effective against novel attacks. Signature based intrusion detection system detects known attacks timely and efficiently. For this approach, it is important to know the attack. The proposed system introduces a hybrid of anomaly based and signature based technique. The proposed system uses layered approach to get the results faster.
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