Table 1 Summary of the existing studies on IDS developed for various networks.

From: Enhanced Grey Wolf Optimization (EGWO) and random forest based mechanism for intrusion detection in IoT networks

Year (Reference)

Dataset

Algorithm(s)

Limitation(s)

Accuracy

201832

NSL-KDD

Artificial-Bee Colony and Fuzzy C-Means Clustering

• Limited scalability.

• Slow convergence

99.00%

201940

NSL-KDD

Beep belief networks (DBN) and improved genetic algorithm (IGA)

• Struggle with feature selection.

• Slow convergence

99.8%

202041

ISCX 2012

Adaptive-Grasshopper Optimization Algorithm and SVM

• Limited scalability.

• Slow convergence

99.13%

202154

UNSW-NB15

Tabu Search and Random Forest

• Low accuracy

• Reduced response time

83.12%

202133

NSL-KDD

Random forest, K-nearest neighbour and XGBoost

• Limited scalability.

99.34%

202142

UNSW-NB15

Particle Swarm Optimization

• Low accuracy

• Reduced response time

86.68%

202143

NSL-KDD

Artificial Neural Networks and SVM

• Limited scalability.

90.45%

202129

TON_IoT

Convolutional Neural Network and Recurrent Neural Network

• Reduced response time

99.92%

202244

NSL-KDD

Butterfly Optimization Algorithm (BOA) and ANN

• Limited scalability.

93.27%

202230

Bot-IoT

ANN

• Limited scalability.

99.611%

202345

CICIoT2023

Random Forest and Deep Neural Network

• Low accuracy

• Reduced response time

Average accuracy is below 80%

202346

ToN-IoT

RepuTE algorithm

• Limited Scalability

• Reduced response time

99.90%

202347

CIC IDS2017,

N-BaIoT dataset and NF-ToN-IoT

Deep Learning based Bi-LSTM technique

• Limited Scalability

99.67%

202451

NF-ToN-IoT

A hybrid deep learning technique utilizing LSTM and one-dimensional CNN

• Low accuracy

• Reduced response time

98.75% (M)