Crowdsec
CrowdSec is an open-source and participative security solution offering crowdsourced server detection and protection against malicious IPs. Detect and block with our Security Engine, contribute to the network, and enjoy our real-time community blocklist. It detects bad behaviors by analyzing log sources and HTTP requests, and allows active remediation thanks to the Remediation Components. The "Community Blocklist" is a curated list of IP addresses identified as malicious by CrowdSec. The Security Engine proactively blocks the IP addresses of this blocklist, preventing malevolent IPs from reaching your systems.
View Crowdsec on GitHub
CrowdSec is an open-source and participative security solution offering crowdsourced server detection and protection against malicious IPs. Detect and block with our Security Engine, contribute to the network, and enjoy our real-time community blocklist.
It detects bad behaviors by analyzing log sources and HTTP requests, and allows active remediation thanks to the Remediation Components.
The "Community Blocklist" is a curated list of IP addresses identified as malicious by CrowdSec. The Security Engine proactively blocks the IP addresses of this blocklist, preventing malevolent IPs from reaching your systems.
Crowdsec at a glance
| Stars | 15k |
|---|---|
| Forks | 718 |
| Language | Go |
| License | MIT |
| Last update | 2026-09-18 |
| Contributors | 86 |
Where Crowdsec is listed
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