
suricata
Open-source network IDS/IPS/NSM engine for real-time traffic inspection, intrusion detection and prevention, protocol analysis, and rule-based threat…

Open-source network IDS/IPS/NSM engine for real-time traffic inspection, intrusion detection and prevention, protocol analysis, and rule-based threat…

Arkime is an open source, large scale, full packet capturing, indexing, and database system.

Open-source security monitoring platform for threat hunting, intrusion detection, log management, incident response, and endpoint visibility with…

Multi-threaded network intrusion detection and prevention system with rule-based detection, protocol-aware inspection, and pcap analysis for…

Real-time network monitor + outbound firewall — see & block every connection. Privacy-first, local-first, Rust fleet agent, SIEM exports, 8…

This is a mini-firewall that completely isolates a target device from the local network.

DNS traffic sniffer and analyzer for monitoring, filtering, and detecting anomalies in DNS queries. Features include PCAP export, DoH support, and a…

PacketSifter is a tool/script that is designed to aid analysts in sifting through a packet capture (pcap) to find noteworthy traffic. Packetsifter…

A Zeek OpenVPN protocol analyzer plugin.

Terminal UI for browsing and replaying AWS WAF v2 logs from CloudWatch, S3, and the sampling API, with YAML filtering, auth detection, and…

Zeek plugin generating Mercury NPF fingerprints for TCP, TLS/DTLS, QUIC, HTTP, SSH, OpenVPN, and STUN to support network security monitoring.

A real-time traffic monitoring tool that detects and displays network traffic volume per IP address to identify potential DDoS attacks.

A Zeek package that detects when compromised eMudhra intermediate certificates are used in TLS 1.2 and below.

Unsupervised deep autoencoder that flags anomalous mobile traffic: 25,000+ HTTP/HTTPS flows intercepted from a live iOS device with mitmproxy,…

Security-aware HTTP protocol parser library used by IDS/IPS engines to inspect and normalize HTTP traffic for threat detection.

Zeek and Suricata Detections for "php2shell" CVE-2026-109618 and CVE-2026-109619

Go measurement engine and CLI for detecting Internet censorship and network interference, running OONI network tests and reporting results to the…

Cheatsheet cataloging man-in-the-middle attacks across L2-L4 and wireless layers, with attack tools, detection methods, and mitigation techniques for…