


Zeek is a powerful network analysis framework that is much different from the typical IDS you may know.

🦄 A curated list of privacy & security-focused software and services

Spam filtering and email processing framework with regex rules, statistical analysis, custom Lua plugins, and external blocklists for MTA integration.

Open-source email filtering framework that detects spam and phishing using content analysis, header checks, Bayesian scoring, and DNS blocklists.

Sublime rules for email attack detection, prevention, and threat hunting.

SQL powered operating system instrumentation, monitoring, and analytics.

Open Cyber Threat Intelligence Platform

CakePHP 5.4.2 - High - Remote - Header injection - SmtpTransport lone LF leftover of GHSA-2qh5

Real-time malicious traffic detection system using public blacklists, static malware trails, and heuristic analysis to identify threats across DNS,…

Open-source XDR and SIEM platform for threat detection, log analysis, file integrity monitoring, vulnerability assessment, and compliance management…

Real-time cloud-native runtime security agent for Linux that monitors syscalls and container/Kubernetes metadata to detect anomalous behavior and…

SCuBA Secure Configuration Baselines and assessment tool for Google Workspace

Automation to assess the state of your M365 tenant against CISA's baselines

A Python package and CLI for parsing aggregate and forensic DMARC reports

AI-first external attack surface assessment with continuous discovery, evidence-based vulnerability validation, and developer-agent MCP integration.

Hands-on SOC lab: AWS mini-SOC with CloudTrail/GuardDuty, a Python CloudTrail IOC analyzer, phishing header forensics, ELF binary triage, and agent…

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