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Network Traffic Anomaly Detection Machine Learning

Machine learning-based network traffic anomaly detection system using unsupervised learning algorithms to identify unusual patterns, potential security breaches, and network intrusions. Analyze network flow characteristics with Isolation Forest and Autoencoder models.

Isolation Forest Autoencoder Ensemble Detection Real-time Detection Download Now Jupyter Notebook Scikit-learn Get Started
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Network Anomaly Detection Project - RSK World
Network Anomaly Detection Project - RSK World
Machine Learning Anomaly Detection Python Unsupervised Learning Scikit-learn Network Security

This project implements a Network Traffic Anomaly Detection System using unsupervised machine learning algorithms. It employs Isolation Forest and Autoencoder models to identify unusual network traffic patterns, potential security breaches, and network intrusions. The system analyzes network flow characteristics, extracts meaningful features from network packets, and provides comprehensive anomaly detection with ensemble methods, threshold optimization, and real-time detection capabilities.

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Network Flow Analysis

Comprehensive network traffic data preprocessing and analysis to identify unusual patterns and potential security breaches.

  • Network flow data preprocessing
  • Traffic pattern analysis
  • Flow characteristic extraction
  • Data normalization and cleaning

Isolation Forest Algorithm

Fast tree-based anomaly detection algorithm for identifying outliers in network traffic patterns.

  • Fast anomaly detection
  • Tree-based approach
  • Unsupervised learning
  • High performance on large datasets

Autoencoder Deep Learning

Neural network-based autoencoder for complex pattern detection and deep anomaly identification in network traffic.

  • Deep learning approach
  • Complex pattern detection
  • Neural network architecture
  • TensorFlow/Keras implementation

Ensemble Detection

Combines Isolation Forest and Autoencoder models for improved accuracy and robust anomaly detection.

  • Multiple voting strategies
  • Weighted ensemble approach
  • Improved accuracy
  • Model combination techniques

Jupyter Notebooks

Interactive Jupyter Notebooks for data exploration, model training, and evaluation.

  • Data analysis notebook
  • Model training notebook
  • Evaluation notebook
  • Step-by-step tutorials

Feature Engineering

Advanced feature extraction from network packets including flow characteristics, packet statistics, and traffic patterns.

  • Network packet analysis
  • Flow feature extraction
  • Statistical feature computation
  • Traffic pattern identification

Threshold Optimization

Automatically finds optimal detection thresholds using F1-score maximization and precision-recall balance.

  • F1-score maximization
  • Precision-recall balance
  • Custom metric optimization
  • Multiple threshold strategies

Real-time Detection

Process streaming network traffic in real-time with pre-trained models and batch processing capabilities.

  • Single sample prediction
  • Batch processing support
  • Sliding window analysis
  • Alert generation

Model Persistence

Save and load trained models for production deployment and reuse.

  • Model serialization
  • Pickle format support
  • Model versioning
  • Easy model deployment

Anomaly Explanation

Explains why specific samples are flagged as anomalies with feature importance analysis and detailed reports.

  • Feature importance analysis
  • Z-score based deviation
  • Detailed explanation reports
  • Permutation importance

Data Preprocessing

Robust data preprocessing pipeline for network traffic dataset preparation and feature engineering.

  • Dataset loading and cleaning
  • Network flow preprocessing
  • Train/test split
  • Feature scaling and normalization

Visualization Tools

Comprehensive visualization utilities for model performance, metrics, and analysis including ROC and PR curves.

  • ROC and Precision-Recall curves
  • Anomaly score distributions
  • 2D PCA projections
  • Cluster visualizations

Anomaly Clustering

Groups similar anomalies to identify attack patterns using DBSCAN and K-Means clustering algorithms.

  • DBSCAN clustering
  • K-Means clustering
  • Cluster pattern analysis
  • Visual cluster representation

Utility Functions

Helper functions for network data parsing, feature extraction, model evaluation, and common development tasks.

  • Network data parsing utilities
  • Feature extraction helpers
  • Model evaluation functions
  • Data formatting utilities

Requirements

The following are the technical requirements for this project:

  • Python 3.8+
  • Scikit-learn 1.2.0+
  • TensorFlow/Keras 2.0+
  • Pandas 1.5.0+
  • NumPy 1.20.0+
  • Jupyter Notebook 1.0.0+

Credits & Acknowledgments

This project is developed for educational purposes and utilizes the following resources:

  • Python - PSF License
  • Scikit-learn - BSD License
  • TensorFlow - Apache 2.0 License
  • Pandas - BSD License
  • RSK World - Project Inspiration
  • GitHub Repository - Source code and documentation

Support & Contact

For paid applications, please contact us for integration help or feedback.

  • Support Email: help@rskworld.in
  • Contact Number: +91 9330539277
  • Website: RSKWORLD.in
  • GitHub Project
  • Join Our Discord
  • Slack Support Channel
  • Network Anomaly Detection Documentation
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Categories

Machine Learning Anomaly Detection Python Unsupervised Learning Scikit-learn Network Security

Technologies

Python 3.8+
Scikit-learn
TensorFlow/Keras
Pandas

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About RSK World

Founded by Molla Samser, with Designer & Tester Rima Khatun, RSK World is your one-stop destination for free programming resources, source code, and development tools.

Founder: Molla Samser
Designer & Tester: Rima Khatun

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