PromptShield

Open-source security testing for LLM apps. These are real, interactive reports from the bundled demo scan: one vulnerable chatbot, one hardened.

F

Vulnerable demo bot

7.6 / 100

5 of 48 attacks resisted, 43 succeeded

No defences: obeys injected instructions, leaks its prompt, runs tools unchecked.

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A

Hardened demo bot

90.8 / 100

42 of 48 attacks resisted, 6 succeeded

Input filter, document sanitiser, tool gate and output filter, with a few known gaps.

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Read this honestly: the demo bots are deterministic simulators, not real LLMs, so these scores show how the scanner reacts to vulnerable versus defended behaviour. They are not a benchmark of any real model. PromptShield only attacks targets you own: it refuses to run without --i-own-this-target.