SQL powered operating system instrumentation, monitoring, and analytics.
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Daemon to ban hosts that cause multiple authentication errors
Wazuh - The Open Source Security Platform. Unified XDR and SIEM protection for endpoints and cloud workloads.
- security
- compliance
- log-analysis
- vulnerability-detection
Main Sigma Rule Repository
- security
- monitoring
- siem
- logging
Malicious traffic detection system
Zeek is a powerful network analysis framework that is much different from the typical IDS you may know.
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.
- ai-security
- alert-triage
- cybersecurity
- detection-engineering
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine developed by the OISF and the Suricata community.
- security
- ids
- ips
- nsm
AIMSICD • Fight IMSI-Catcher, StingRay and silent SMS!
OSSEC is an Open Source Host-based Intrusion Detection System that performs log analysis, file integrity checking, policy monitoring, rootkit detection, real-time alerting and active response.
- hids
- security
- pci-dss
- nist800-53
Security Onion is a free and open platform for threat hunting, enterprise security monitoring, and log management. It includes our own interfaces for alerting, dashboards, hunting, PCAP, detections, and case management. It also includes other tools such as osquery, CyberChef, Elasticsearch, Logstash, Kibana, Suricata, and Zeek.
- case-management
- cyber-security
- endpoint-security
- information-security
A community-driven, open-source project to share detection logic, adversary tradecraft and resources to make detection development more efficient.
- threat-hunting
- sysmon
- hunting-campaigns
- hypothesis
Linux Runtime Security and Forensics using eBPF
The Hunting ELK
- hunting
- elasticsearch
- kibana
- logstash
Rapidly Search and Hunt through Windows Forensic Artefacts
- attack
- rust
- security
- threat-hunting
Hayabusa (隼) is a sigma-based threat hunting and fast forensics timeline generator for Windows event logs.
The repository host gives no description.
- threat-detection
- threat-hunting
Security sensor for realtime threat detection and protection
MUCH Improved version of the Python Chasing Your Tail Tool to help you determine if you're being followed
Real Intelligence Threat Analytics (RITA) is a framework for detecting command and control communication through network traffic analysis.
- rita
- network-traffic
- threat
- scanning
ADR secures enterprise AI agents through observability, security benchmarking, and threat detection. Deployed at Uber.
KQL Queries. Defender For Endpoint and Azure Sentinel Hunting and Detection Queries in KQL. Out of the box KQL queries for: Advanced Hunting, Custom Detection, Analytics Rules & Hunting Rules.
Splunk Security Content
- splunk
- detection
- engineering
- responses
Open source security data lake for threat hunting, detection & response, and cybersecurity analytics at petabyte scale on AWS