spamassassin
apache/spamassassinOpen-source email filtering framework that detects spam and phishing using content analysis, header checks, Bayesian scoring, and DNS blocklists.
defensive-toolsemail-securitymachine-learning+1
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apache/spamassassinOpen-source email filtering framework that detects spam and phishing using content analysis, header checks, Bayesian scoring, and DNS blocklists.
zeek/zeekZeek is a powerful network analysis framework that is much different from the typical IDS you may know.
stamparm/maltrailReal-time malicious traffic detection system using public blacklists, static malware trails, and heuristic analysis to identify threats across DNS,…
rspamd/rspamdSpam filtering and email processing framework with regex rules, statistical analysis, custom Lua plugins, and external blocklists for MTA integration.
cisagov/scubagearAutomation to assess the state of your M365 tenant against CISA's baselines
cisagov/scubagogglesSCuBA Secure Configuration Baselines and assessment tool for Google Workspace
falcosecurity/falcoReal-time cloud-native runtime security agent for Linux that monitors syscalls and container/Kubernetes metadata to detect anomalous behavior and…
mattkeeley/spoofyBulk domain spoofability checker using authoritative SPF and DMARC record analysis with custom, real-world tested spoof logic and optional DKIM…
0xblackash/cve-2026-76461Research repository for CVE-2026-76461, a critical SQL injection in Cisco Secure Email Gateway leading to root RCE, with detection rules, mitigation…
intelowlproject/intelowlScalable threat intelligence platform that enriches observables and files using 200+ analyzers, with built-in GUI, REST API, and automated workflows…
roxanne_ardary/emailxposeEmailXpose is an open source AI-powered email security system that detects phishing, spam, scams, malware, and social engineering attacks. It goes…
davidhuser/mxmapAutomated pipeline that resolves Swiss municipality domains, scrapes websites for email addresses, and classifies email providers via MX, SPF, DKIM,…
h4cknain/cve-2024-21413-microsoft-outlook-moniker-link-vulnerabilityLab write-up analyzing CVE-2024-21413 Outlook Moniker Link exploitation, NetNTLMv2 credential leakage via SMB, detection with YARA/Wireshark, and…
h1ssbl1tz/blind-trust-cve-2024-21413-researchA security research tool for simulating targeted phishing campaigns using CVE-2024-21413 (Moniker Link).
derrickschoen/laravel-frameworkFork of laravel/framework 10.50.2 with CVE-2026-48019 (CRLF injection in default email rule) backported into ValidatesAttributes::validateEmail.…
bhatbhupendra/moniker-link--cve-2024-21413-Educational guide on CVE-2024-21413, the Outlook zero-click Moniker Link vulnerability, covering attack flow, NTLM credential capture, detection with…
mailgun/flankerPython email address and Mime parsing library