AI-Powered Cybersecurity & IT Infrastructure

PromptTrace

Master LLM security with free, hands-on prompt injection labs and AI red teaming exercises.

Practice RAG poisoning, tool exploitation, and defense bypass against real LLMs in a sandboxed environment.

Best forHands-on prompt injection and red team training.

DifferentiatorLive 'Context Trace' feature shows full prompt assembly during attacks.

ProofAligned with OWASP Top 10 for LLMs; used by 767+ security professionals.

Try PromptTrace

Free Plan

9.1 Zekai

Essential LLM Security Training

AI-Powered Cybersecurity & IT Infrastructure

Ease of Use

9.2

Accuracy

9.0

Value

9.8

Time Saving

8.5

767+Users

9.1/10Zekai Score

OWASP AlignedFree TrainingHands-On LabsRed TeamingCTF Challenges

📊 Independently tested and scored. How we score →

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⚡ Quick answer

For AI-Powered Cybersecurity & IT Infrastructure professionals, PromptTrace is the best platform for hands-on prompt injection training. It offers free, interactive labs using real LLMs, allowing you to practice attacks like RAG poisoning and defense bypass. Its 'Context Trace' feature provides unique visibility into how LLM prompts are constructed and exploited, making it an essential tool for building practical defense skills.

CategoryAI Security Training

Best ForHands-on prompt injection and red team training.

Price FromFree

FreeYes

DifferentiatorLive 'Context Trace' feature shows full prompt assembly during attacks.

ProofAligned with OWASP Top 10 for LLMs; used by 767+ security professionals.

Rating4.6/5

📖 About PromptTrace

PromptTrace is a free AI security training platform for cybersecurity and IT professionals. It provides hands-on labs and learning modules to master LLM security skills, focusing on prompt injection, RAG poisoning, and tool exploitation. Learn to identify and mitigate vulnerabilities aligned with the OWASP Top 10 for LLM Applications.

How It Works

Your workflow, automated

Learn the Fundamentals

Go through the 9 learning modules to understand core concepts like prompt injection, RAG, and tool use, aligned with OWASP standards.

Execute Attacks in Labs

Apply your knowledge in hands-on labs. Use the 'Context Trace' to inspect prompt layers and execute exploits against sandboxed LLMs.

Test Skills in the Gauntlet

Challenge yourself against 17 progressively hardened AI systems in a CTF-style competition to extract the hidden secret.

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Real Impact

Before & After

❌ Before

Struggling to grasp abstract LLM vulnerabilities from articles.

Theoretical knowledge only

✅ After

Confidently identifying and explaining prompt injection risks.

Practical red teaming skills

Social Proof

Trusted by 767+

767+ professionals using this tool

Ease of Use

9.2

Accuracy

9.0

Value

9.8

Time Saving

8.5

"The 'Context Trace' is a game-changer. Seeing the full prompt assembly makes it so much clearer why certain defenses fail. An indispensable tool for upskilling."

Aisha K., Security Analyst · June 2026

"Finally, a practical way to get hands-on with LLM attacks. The Gauntlet is addictive and a brilliant way to test your skills against increasingly tough defenses."

Ben S., Penetration Tester · May 2026

"Excellent for training our security team on the basics of prompt injection. I just wish it covered a wider range of AI security topics beyond prompt-level attacks."

Carla M., IT Manager · June 2026

"As a free resource, PromptTrace is unmatched. The labs use real LLMs, which makes the experience far more valuable than theoretical exercises. Highly recommended."

David L., AI Red Teamer · April 2026

767++ professionals are already using this tool.

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Connects With

Works with your existing stack

GitHub Google

Setup complexity: Beginner-friendly

Who It's For

Why Cybersecurity & IT Infrastructure choose this tool

🎯

Built for

Best for security professionals seeking hands-on training to understand and mitigate prompt injection vulnerabilities in real-world LLM applications.

In-Depth Overview

For cybersecurity and IT teams, understanding LLM vulnerabilities is no longer optional. PromptTrace moves beyond theory, offering a free, hands-on training ground to build practical defense skills. Unlike simply reading about attacks, you execute them against real LLMs in a sandboxed environment, providing an intuitive grasp of the mechanics. Its standout feature, the 'Context Trace,' gives you an unprecedented view into the assembled prompt layers—system instructions, RAG context, and tool definitions—so you can see exactly why an exploit succeeds or fails. This is crucial for developing robust mitigation strategies. The curriculum is aligned with the OWASP Top 10 for LLM Applications, ensuring the skills you learn are relevant and industry-recognized. With over 767 security professionals actively using the platform and more than 3,900 challenges solved, it's a proven resource. The platform includes 10 labs, 17 CTF levels, and 9 learning modules, allowing you to progress from fundamental concepts like direct injection to advanced attacks like RAG poisoning and tool abuse, all at no cost.

Key Use Cases

🛡️

Sharpen Attack Techniques

AI Red Teamer

Use the hands-on labs and Gauntlet to practice and refine prompt injection payloads against various defense mechanisms in a safe, sandboxed environment.

Mastered 10+ injection techniques

✓ Pros

Completely free with no paid tiers or enterprise licensing.

Provides practical, hands-on experience with real LLMs.

Unique 'Context Trace' feature visualizes prompt assembly and attack vectors.

Content is aligned with industry standards like the OWASP LLM Top 10.

Progressively difficult challenges suitable for beginners and intermediates.

· Cons

Solely an educational tool, not a production security solution.

Focus is specific to prompt injection and related attacks.

Requires a GitHub or Google account to track progress in labs.

As a free platform, support is likely community-based.

⚡ Editorial Verdict

PromptTrace is an exceptional free resource for any security professional needing to get hands-on with LLM vulnerabilities. Its 'Context Trace' feature provides unique insight into prompt assembly and attack vectors. The primary trade-off is its focus on education; it's a training ground, not a production-ready security solution to deploy.

See all Cybersecurity & IT Infrastructure AI tools → Browse the AI Directory →

Questions & Answers

Frequently asked questions

Is PromptTrace really free?

Yes, PromptTrace is 100% free. All labs, modules, and the Gauntlet challenge are available without charge, requiring only a free sign-in via GitHub or Google to save progress. There are no paid tiers.

What is the 'Context Trace' feature?

The Context Trace is a core feature that shows you the complete prompt assembled by the application in real time. It visualizes the system prompt, RAG documents, tool definitions, and user input, helping you understand how different layers interact and where vulnerabilities arise.

Do I need a cybersecurity background to use PromptTrace?

No, a prior cybersecurity background is not required. The platform includes 9 learning modules that start with fundamentals, making it accessible for those new to LLM security, though experience is helpful.

How can I practice AI red teaming for LLMs for free?

PromptTrace offers a sandboxed environment to practice AI red teaming. You can execute real prompt injection exploits, practice RAG poisoning, and attempt to bypass defenses in 10 hands-on labs and a 17-level 'Gauntlet' CTF challenge, all for free.

What is the best way to learn about LLM vulnerabilities like RAG poisoning?

PromptTrace provides a structured learning path. It combines 9 learning modules explaining concepts like RAG poisoning with hands-on labs where you can perform the attacks yourself, reinforcing theoretical knowledge with practical application.

Which tools help with prompt injection defense training?

PromptTrace is a leading tool for prompt injection defense training. It allows security professionals to understand attack vectors by executing them in a safe environment, inspecting prompt layers with its 'Context Trace' feature, and learning mitigation strategies aligned with OWASP standards.

Last reviewed: June 2026 — Assessed the hands-on labs, learning modules, and the Gauntlet CTF challenge for practical security training value.

Plans & Pricing

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Zekai Score	9.1/10	9.0/10	9.0/10
Rating	4.6/5	4.5/5	4.5/5
Pricing	Free	—	—
Free tier	Yes	No	No
Best for	Best for security professionals seeking hands-on t…	—	—

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Disclaimer

Zekai is an independent AI tools directory. We are not affiliated with, endorsed by, or officially connected to PromptTrace unless clearly stated. All product names, logos, and brands are the property of their respective owners and are used for identification purposes only. The information on this page — including pricing, features, and availability — is general information, may have changed since our last review, and is not professional advice. Zekai Scores and verdicts are our editorial opinion. Some outbound links are affiliate links that may earn us a commission at no extra cost to you. Spotted outdated or incorrect information? Request a correction →

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PromptTrace

Your workflow, automated

Before & After

Trusted by 767+

Works with your existing stack