Garak
Tool manual · Kali & common usage
AI Security · Intermediate · AI Security lane
What is Garak?
Garak probes LLM applications for weaknesses (prompt injection, leakage, …).
AI red-team style testing of models/apps you own.
Official website: Garak · Documentation
When do you use it?
- You need LLM vulnerability probing framework.
- You are following a CYNARKS lab or authorized engagement that calls for Garak.
- 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)
- Install Garak using the steps below (prefer Kali package or official installer).
- Confirm you have authorization for the target (lab VM, own system, or written scope).
- Run --help / man (or the Help section) to see current flags for your version.
- Start with a safe example from Basic commands against localhost or an authorized lab target.
- 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. Help
garak --help
2. Repo
https://github.com/leondz/garak
Kali Linux
pip install garak — modern AI security toolkit usable from Kali.
1. Installation
| OS | Installation |
|---|---|
Kali Linux | pip install garak — modern AI security toolkit usable from Kali. |
pip | pip install garak |
2. Basic commands
1. Test your own LLM app endpoint
garak --model_type openai --model_name gpt-4o-mini
Test your own LLM app endpoint
2. Show help
garak --help
List flags for your installed version (same habit as man/--help).
3. Short help
garak -h
Alternate help flag when supported.
5. Useful features
- Probes
- Reports
6. Practical examples
Example 1: Test your own LLM app endpoint
garak --model_type openai --model_name gpt-4o-mini
Test your own LLM app endpoint
Example 2: Show help
garak --help
List flags for your installed version (same habit as man/--help).
Example 3: Short help
garak -h
Alternate help flag when supported.
7. Important notes
- Red-team LLMs you control.
- Authorized targets only — labs, systems you own, or written permission.
- Prefer reading --help / man / official docs for your installed version; flags change over time.
Related course: ai security · web application security · Commands: /commands