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

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


Open Cyber Threat Intelligence Platform

SQL powered operating system instrumentation, monitoring, and analytics.

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

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


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

Finds the SaaS services an organisation subscribes to, using only externally observable data. Built for shadow IT discovery.

Paperweight scans your inbox to map your digital footprint, then helps you take back control and delete your data. Local-first and open source.

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

mboxShell. Fast terminal viewer for MBOX files of any size. Open, search and export emails from Gmail Takeout backups (50GB+) without loading them…

🔎 Username, email & phone OSINT — 9,700+ lookup checks from 19 projects, with profile enrichment, bulk searches, evidence graphs and expert-reviewed…

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

A better whois and domain intelligence toolkit

The exploit server for out-of-band findings. Point a target at a domain you own. Every HTTP request and every email it sends back lands in a…

MISP (core software) - Open Source Threat Intelligence and Sharing Platform

Advisory and detection guidance for CVE-2026-73570, an unauthenticated OS command injection in Zimbra SNMP notification processing leading to remote…