Falco

What is Falco?

Falco detects unexpected container/host syscalls at runtime.

Runtime threat detection for K8s/containers you operate.

Official website: Falco · Documentation

When do you use it?

• You need Runtime threat detection for containers/K8s.
• You are following a CYNARKS lab or authorized engagement that calls for Falco.
• You already tried simpler checks and need this tool’s deeper capability.

Who uses it?

• Security practitioners
• Students in authorized labs
• Engineers validating their own systems

How do you use it? (typical flow)

1. Install Falco using the steps below (prefer Kali package or official installer).
2. Confirm you have authorization for the target (lab VM, own system, or written scope).
3. Run --help / man (or the Help section) to see current flags for your version.
4. Start with a safe example from Basic commands against localhost or an authorized lab target.
5. Record what you ran, what you observed, and any follow-up (filter, report, remediation).

Help & manual (like man / --help)

Every serious tool has a built-in way to look up flags. Learn these first so you are not stuck memorizing every option.

1. 1. Docs

   https://falco.org/docs/

1. Installation

2. Basic commands

1. 1. List rules

   falco --list

   List rules

2. 2. Show help

   falco --help

   List flags for your installed version (same habit as man/--help).

3. 3. Short help

   falco -h

   Alternate help flag when supported.

5. Useful features

• Syscall rules
• Alerts

6. Practical examples

1. Example 1: List rules

   falco --list

   List rules

2. Example 2: Show help

   falco --help

   List flags for your installed version (same habit as man/--help).

3. Example 3: Short help

   falco -h

   Alternate help flag when supported.

7. Important notes

• Runtime layer beyond image scanning.
• Authorized targets only — labs, systems you own, or written permission.
• Prefer reading --help / man / official docs for your installed version; flags change over time.