WatchYourLAN

Scan the devices connected to your WIFI / LAN and alert you the connection of unknown devices. It also warns if a "always connected" device disconnects. In addition, it is possible to check web services for availability. For this purpose HTTP status codes and the response time of the service are evaluated.

Machine Learning for Computer Security

Streaming Anomaly Detection Framework in Python (Outlier Detection for Streaming Data)

Network Intrusion Detection System using Deep Learning Techniques

Anomaly Detection on Time-Evolving Streams in Real-time. Detecting intrusions (DoS and DDoS attacks), frauds, fake rating anomalies.

An intrusion detection system (IDS) based on machine learning technique, specifically the anomaly detection algorithm.

Sketch-Based Anomaly Detection in Streaming Graphs

This tool parses log data and allows to define analysis pipelines for anomaly detection. It was designed to run the analysis with limited resources and lowest possible permissions to make it suitable for production server use.

Sandfly Security Agentless Compromise and Intrusion Detection System For Linux

A completely automated anomaly detector Zeek network flows files (conn.log).