Life & fun · September 15, 2020
Crowdsec, the behavior and reputation-based collaborative firewall
We turn crowd-powered intelligence into tactical intelligence with actionable blocklists to maximize your SOC efficiency and reduce your costs.
Crowdsec, the behavior and reputation-based collaborative firewall launched on September 15, 2020 with 17 votes, #934 of 3,898 launches that month and more than 75% of that year's launches. The site was not reachable when checked in September 2026.
In plain words
CrowdSec is a collaborative firewall that uses behavior and reputation data to protect networks. Launched in 2020, it operates by analyzing user and system behavior patterns while leveraging a shared reputation database built from collective threat intelligence. The platform is designed for network administrators and security teams who need to defend their infrastructure against attacks by identifying and blocking malicious activity patterns. CrowdSec distinguishes itself through its community-driven approach, where threat data is shared across users to improve collective security defenses.
written from the facts on this page · September 2026
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