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
Open-source IDS/IPS, WAF and bot detection for Linux, Windows, Docker and Kubernetes, with a crowdsourced blocklist of malicious IPs.
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
Cloud-native SIEM for intelligent security analytics for your entire enterprise.
- sample-code
- cybersecurity
AIMSICD • Fight IMSI-Catcher, StingRay and silent SMS!
eBPF-based Security Observability and Runtime Enforcement
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
Hayabusa (隼) is a sigma-based threat hunting and fast forensics timeline generator for Windows event logs.
Elkeid is an open source solution that can meet the security requirements of various workloads such as hosts, containers and K8s, and serverless. It is derived from ByteDance's internal best practices.
- hids
- security
- rasp
- edr
Security sensor for realtime threat detection and protection
Since 2011, IPBan is the worlds most trusted, free security software to block hackers and botnets. With both Windows and Linux support, IPBan has your dedicated or cloud server protected. Upgrade to IPBan Pro today and get a discount. Learn more at ↓
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
Elastic Security detection content for Endpoint
Database security suite. Database proxy with field-level encryption, search through encrypted data, SQL injections prevention, intrusion detection, honeypots. Supports client-side and proxy-side ("transparent") encryption. SQL, NoSQL.
- encryption-server
- encryption
- crypto
- cryptography
APT-Hunter is Threat Hunting tool for windows event logs which made by purple team mindset to provide detect APT movements hidden in the sea of windows event logs to decrease the time to uncover suspicious activity
- threat-hunting
- purpleteam
- python3
- windows-eventlog