Open-source AI Security Operations Center: alert fusion, LLM-agent triage, MITRE ATT&CK investigation, and a replayable decision ledger for every agent step. Self-hostable, runs with no API keys, MIT licensed. Ships an MCP server for Claude, Cursor and Continue.
Detection Engineering GitHub Repositories (2026) · Open Source Tools
Discover the best Detection Engineering open source repositories on GitHub. Explore trending tools, live star counts, source code, and developer projects updated daily.
The cross-harness, self-improving memory layer for AI agents. Join our community: https://discord.com/invite/zdNChS2fBu
Vigil SOC: The leading open source AI SOC. Apache 2.0. Runs against your own LLM, local or remote.
Endpoint detection for Windows, Linux, and macOS. Sigma, YARA, and IOC rules on native telemetry. Written in Rust. No cloud account required.
:cloud: :zap: Granular, Actionable Adversary Emulation for the Cloud
Splunk Security Content
A complete Sigma detection engineering toolkit: parser, linter, formatter, evaluator, correlation engine, conversion framework, streaming daemon, MCP and LSP servers :crab:
CVE proof-of-concept labs, exploit scripts, and detection/prevention rules (Nginx, Apache, Snort, YARA) for high-severity CVEs. Authorized security testing & research only.
Awesome Security lists for SOC/CERT/CTI