Gain real-time & crowdsourced protection against aggressive IPs.
Trusted by the best
How to get started
Install your first
CrowdSec Security Engine
Benefit from real-time, crowd-sourced detection and prevention against malicious traffic.
Create your account on the CrowdSec Console
Monitor cyber threats on your online services and pilot your scalable CrowdSec deployment.
Improve your security
Deploy behavioral scenarios specific to your infrastructure and business for improved security against your top threats.
Query CrowdSec Threat Intelligence via API
Assess the reputation and history of each flagged IP (country, autonomous system, aggressiveness level, type of attack, etc).
Connect CrowdSec feed to your Threat Intelligence Platform
Identify offensive IPs and threat indicators (i.e. Tor usage, Proxy usage, CVE detection) from your incoming traffic.
Integrate CrowdSec Threat Intelligence into your automated triage workflow
Eradicate the background noise, identify and block offensive IPs with no falsepositives.
How it works
The collaborative malicious activity detection and remediation tool. And it’s open-source & free!
The cockpit to monitor your server's security, visualize intrusion attempts, get alerts on unusual activities, and collect intelligence on IP addresses.
The largest Cyber Threat Intelligence (CTI) network on earth, fueled in real time by the CrowdSec community.
Where you can use CrowdSec
CrowdSec runs on Linux, Windows, VMs, containers or bare-metal servers.
It can even be interfaced with your existing code through our API.
Languages & Frameworks
Discover how companies are using CrowdSec
We had a chat with Dyllan Pascoe, co-founder of Lookopen. Find out how he used CrowdSec and how it helped him secure his clients' IT assets.
Yannick Siegler has been one of our earliest adopters and most involved community members. Discover his CrowdSec use cases, both personal and professional.
Esyoil is using CrowdSec to bring multiple data sources together and block IPs before they even act, leveraging log analysis.