Falco
February 22, 2026
What it is
Falco detects unexpected behavior at runtime (syscalls, file changes, network). Rules for containers and Kubernetes; alert or block.
Usage
Detect suspicious activity in containers and hosts; integrate with K8s audit logs; alert to SIEM or Slack; use default or custom rules.
Pros and cons
| Pros | Cons |
|---|---|
| K8s-aware rules | Tuning to reduce false positives |
| CNCF project | Requires kernel or eBPF |
| Extensible rules | |
| Good for compliance |
Alternatives
Tracee, Aqua. Why Falco: Standard for runtime detection in K8s and containers.
Links
- Homepage: https://falco.org/
- Documentation: https://falco.org/docs/
- Source: https://github.com/falcosecurity/falco