# crowdsec
**Licence:** MIT | **Language:** Go | **Source:** https://github.com/crowdsecurity/crowdsec
## Role
Collaborative intrusion prevention
## Why it's here
Reads your logs, detects attack patterns, and blocks offenders. Shares signals with other installations.
## Running it
Started by `docker compose up -d` on port 8080.
```bash
./fetch-sources.sh ./sources
tar xzf ./sources/crowdsec.tar.gz -C ./sources
```