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The HELK (Hunting ELK) is an open-source threat-hunting platform built on the ELK stack, adding advanced analytics such as a SQL declarative language, graphing, structured streaming, and machine learning via Jupyter notebooks and Apache Spark. It provides a complete deployable environment with core components—Kafka, Elasticsearch, Logstash, Kibana—and optional features like KSQL, ElastAlert, and Sigma, designed to scale from research to larger deployments and enable data science workflows. The project aims to expedite deployment of hunting use cases, facilitate testing and development, and empower threat hunting with open-source tools under GPL-3.0.
AI named HELK in February 2026.