BastionLLMBeta

Free LLM Security Scanner - Test for Prompt Injection and Jailbreaks

Scan your LLM endpoints against OWASP LLM Top 10 vulnerabilities, including prompt injection, jailbreaks, and system prompt leaks.

Must contain {{PROMPT}}

Response Mode

Dot path to the model output field (example: data.response)

Security Testing Capabilities

BastionLLM tests your LLM endpoints against the most common attack vectors:

Jailbreak Testing

Test for DAN attacks, role-play manipulation, and safety bypass attempts.

Prompt Injection

Detect direct and indirect prompt injection vulnerabilities. OWASP LLM01 coverage.

System Prompt Leaks

Identify if your LLM reveals its underlying instructions and system configuration.

Blog

New from the BastionLLM blog

Deep dives on prompt injection, jailbreaks, and practical testing workflows for production LLM systems.

View all articles

Featured article

What Is Prompt Injection? How to Test Your LLM Endpoint in 2026

A practical guide to direct vs. indirect attacks, manual test payloads, and automated coverage that catches regressions over time.