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crowdsec

README.md

CrowdSec

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<TL;DR>

CrowdSec is a free, modern, and collaborative behavior detection engine coupled with a global IP reputation network. It stacks on fail2ban's philosophy but is IPV6 compatible and 60x faster (Go vs. Python) and uses Grok patterns to parse logs. CrowdSec is engineered for modern Cloud / Containers / VM-based infrastructures (by decoupling detection and remediation). Once detected, you can remedy threats with various methods (firewall block, Nginx HTTP 403, Captchas, …) while sharing the aggressive IP to CrowdSec Network and improving everyone's security further.

OSS Projects

  • CrowdSec - The open-source and participative IPS able to analyze visitor behavior & provide an adapted response to all kinds of attacks. It also leverages the crowd power to generate a global CTI database to protect the user network.
  • CrowdSec Hub: Host scenarios and parsers for CrowdSec Agent
  • Home Assistant CrowdSec Addons: CrowdSec for home-assistant.io
  • Firewall Bouncer: Crowdsec bouncer written in golang for firewalls

Pinned Loading

  1. crowdsec Public

    CrowdSec - the open-source and participative security solution offering crowdsourced protection against malicious IPs and access to the most advanced real-world CTI.

    Go 9.9k 491

  2. hub Public

    Main repository for crowdsec scenarios/parsers

    Python 183 164

  3. cs-firewall-bouncer Public

    Crowdsec bouncer written in golang for firewalls

    Go 129 45

Repositories

Showing 10 of 110 repositories
  • crowdsec Public

    CrowdSec - the open-source and participative security solution offering crowdsourced protection against malicious IPs and access to the most advanced real-world CTI.

    Go 9,936 MIT 491 165 (1 issue needs help) 35 Updated Mar 21, 2025
  • hub Public

    Main repository for crowdsec scenarios/parsers

    Python 183 MIT 164 90 (3 issues need help) 41 Updated Mar 21, 2025
  • coraza Public Forked from corazawaf/coraza

    OWASP Coraza WAF is a golang modsecurity compatible web application firewall library

    Go 0 Apache-2.0 254 0 2 Updated Mar 21, 2025
  • crowdsec-docs Public

    CrowdSec Documentation: Comprehensive guides, tutorials, and references for installing, configuring, and using CrowdSec, an open-source cybersecurity platform. Contributions welcome!

    MDX 29 82 42 5 Updated Mar 21, 2025
  • cs-nginx-bouncer Public

    CrowdSec bouncer for Nginx

    Shell 50 MIT 10 12 0 Updated Mar 21, 2025
  • helm-charts Public

    CrowdSec community kubernetes helm charts

    Shell 26 MIT 38 13 7 Updated Mar 21, 2025
  • home-assistant-addons Public

    Home Assistant Crowdsec Addons

    Dockerfile 78 MIT 15 7 0 Updated Mar 21, 2025
  • lua-cs-bouncer Public
    Lua 13 MIT 13 15 4 Updated Mar 20, 2025
  • crowdsec-service-api-sdk-python Public

    Service API Python SDK

    Python 1 MIT 0 0 1 Updated Mar 20, 2025
  • content Public Forked from demisto/content

    Demisto is now Cortex XSOAR. Automate and orchestrate your Security Operations with Cortex XSOAR's ever-growing Content Repository. Pull Requests are always welcome and highly appreciated!

    Python 1 MIT 1,737 0 1 Updated Mar 19, 2025
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