crowdsec

crowdsec

A collaborative security engine for detecting and blocking malicious traffic

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MIT
last commit 2026-03-06
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About

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

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  • Behavior-Based Security
    Core

    Detects malicious behavior patterns

  • Intrusion Prevention
    Core

    Blocks attackers based on detections

  • Crowd-Sourced Intelligence

    Shares attack signals across community

  • Log Analysis

    Analyzes logs from services

  • Integration Bouncers

    Enforces decisions in external systems

  • Metrics and Alerts

    Exposes security metrics

  • Self-Hosted Security

    Runs on user-managed servers

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slug: crowdsec