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

SQL powered operating system instrumentation, monitoring, and analytics.

Open Cyber Threat Intelligence Platform

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.

Dockerized mail server suite with Postfix, Dovecot, Rspamd, and ClamAV. Provides secure email hosting with integrated spam filtering, antivirus, and…

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


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

Spam Scanner is a Node.js anti-spam, email filtering, and phishing prevention tool and service. Built for @ladjs, @forwardemail, @cabinjs, @breejs,…

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

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 Python package and CLI for parsing aggregate and forensic DMARC reports

290+ Automated checks across 14 compliance frameworks, interactive HTML report, no data leaves your machine.

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