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Development of Hybrid Intrusion Detection Systems for IoT Enabled Devices Utilizing Resource Constraint Learning Frameworks

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15 jun 2024

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Figure 1:

Hybrid LSTM-GRU Intrusion Detection Framework
Hybrid LSTM-GRU Intrusion Detection Framework

Figure 2:

Long Short Term Memory Network
Long Short Term Memory Network

Figure 3:

Gated Recurrent Unit Network
Gated Recurrent Unit Network

Figure 4:

Hyperparameter tuning Grid Search Architecture
Hyperparameter tuning Grid Search Architecture

Figure 5:

Comparative Analysis of Different Deep Learning Models Based on Evaluating the Accuracy
Comparative Analysis of Different Deep Learning Models Based on Evaluating the Accuracy

Figure 6:

ROC Curve for different models in intrusion detection
ROC Curve for different models in intrusion detection

Comparitive Analysis between different models for intrusion detection

Algorithm Accuracy Precision Recall F1-Score Specificity
CNN 0.75 0.78 0.78 0.79 0.78
RNN 0.77 0.8 0.79 0.8 0.8
LSTM 0.85 0.86 0.86 0.87 0.88
GRU 0.89 0.9 0.9 0.89 0.9
Proposed Model 0.95 0.96 0.95 0.96 0.95

Hyperparameter Tuning for proposed Model

Learning Rate No. of units Dropout Rate Optimizer
0.001 16 0.2 Adam
0.01 32 0.3 SGD
0.1 64 0.5 RMSProp

Evaluation of Performance Metrics

Performance Measures Expression
Accuracy TP+TNTP+TN+FP+FN ${{TP + TN} \over {TP + TN + FP + FN}}$
Precision TNTP+FP ${{TN} \over {TP + FP}}$
Recall TPTP+FN×100 ${{{\rm{TP}}} \over {{\rm{TP}} + {\rm{FN}}}} \times 100$
F1-Score PrecisonRecallPrecison+Recall ${{Precison\, * \,{Recall}} \over {Precision\, + \, {Recall}}}$
Specificity TNTN+FP ${{TN} \over {TN + FP}}$