SQL powered operating system instrumentation, monitoring, and analytics.

Daemon to ban hosts that cause multiple authentication errors

Malicious traffic detection system

OSSEC is an Open Source Host-based Intrusion Detection System that performs log analysis, file integrity checking, policy monitoring, rootkit detection, real-time alerting and active response.

Lightweight network IP scanner. Can be used to notify about new hosts and monitor host online/offline history

Security Onion 16.04 - Linux distro for threat hunting, enterprise security monitoring, and log management

🖧🔍 WIFI / LAN intruder detector. Scans for devices connected to your network and alerts you if new and unknown devices are found.

Real-time HTTP Intrusion Detection

[archived] 一款实验性质的主机入侵检测系统

WIFI / LAN intruder detector. Check the devices connected and alert you with unknown devices. It also warns of the disconnection of "always connected" devices

Since 2011, IPBan is the worlds most trusted, free security software to block hackers and botnets. With both Windows and Linux support, IPBan has your dedicated or cloud server protected. Upgrade to IPBan Pro today and get a discount. Learn more at ↓

Digital Forensics Guide. Learn all about Digital Forensics, Computer Forensics, Mobile device Forensics, Network Forensics, and Database Forensics.

Database security suite. Database proxy with field-level encryption, search through encrypted data, SQL injections prevention, intrusion detection, honeypots. Supports client-side and proxy-side ("transparent") encryption. SQL, NoSQL.

A utility to safely generate malicious network traffic patterns and evaluate controls.

Open Source Security Guide. Learn all about Security Standards (FIPS, CIS, FedRAMP, FISMA, etc.), Frameworks, Threat Models, Encryption, and Benchmarks.

Anomaly Detection on Dynamic (time-evolving) Graphs in Real-time and Streaming manner. Detecting intrusions (DoS and DDoS attacks), frauds, fake rating anomalies.

Wazuh - Docker containers

Monitor Network Traffic Per Executable, Beautifully Visualized

Network Intrusion Detection KDDCup '99', NSL-KDD and UNSW-NB15

By Kprobe technology Open Source Host-based Intrusion Detection System(HIDS), from E_Bwill.