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Falco

Unclaimed Editor reviewed

Cloud-native runtime security

Container Orchestration Monitoring Security Monitoring

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TL;DR - Falco

Falco is an open-source runtime security tool for Kubernetes and containers
It detects abnormal behavior and security threats using kernel-level monitoring
Completely free and open-source, with commercial support available

Pricing: Free forever

Best for: Individuals & startups

Pros & Cons

Pros

Runtime security
Kubernetes native
CNCF graduated
Good detection
Open source

Cons

Learning curve
Rule writing complex
Resource overhead
Alert fatigue risk
Setup complexity

Ratings Across the Web

4(3 reviews)

Ratings aggregated from independent review platforms. Learn more

Key Features

Runtime securityKubernetes nativeThreat detectionRules engineOpen sourceCNCF project

Pricing Plans

Most Popular

Free

Free

Open source

Runtime security
Kubernetes native
eBPF based
CNCF project

Calculate your cost View full pricing

What is Falco?

Editorial review

Falco detects runtime threats in containers and Kubernetes. Monitor system calls, detect anomalies, alert on suspicious behavior-security visibility into what's actually happening in your clusters. The detection rules are community-maintained. The overhead is minimal. Integration with security tools is straightforward. Kubernetes security teams use Falco for runtime threat detection in containerized environments.

LCLouis CorneloupUpdated May 17, 2026 · how we evaluateSourcefalco.org ↗

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Falco FAQ

Is Falco free?

Yes, Falco is open source and free. Created by Sysdig, now a CNCF project. Commercial support available.

What is Falco?

Falco is a cloud-native runtime security tool. Detects threats in containers and Kubernetes. Uses eBPF for kernel-level visibility.

Falco vs Sysdig?

Falco is the open-source detection engine. Sysdig Secure builds commercial product on top. Falco free; Sysdig Secure paid with more features.

How does Falco work?

Falco monitors system calls using eBPF or kernel module. Rules detect anomalous behavior. Alerts on threats in real-time.

Source: falco.org