Penstrike Security
Automated security scanning for LLM applications
What it does
Penstrike is built for teams who rely on LLMs in production and need serious security — not guesswork. Our platform continuously scans models for prompt injection risks, jailbreak paths, configuration weaknesses and emerging vulnerabilities before they can be exploited.
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Hi HN, I built this open-source LLM red teaming tool based on my experience scaling LLMs at a big co to millions of users... and seeing all the bad things people did. How it works: - Uses an unaligned model to create toxic inputs - Runs these inputs through your app using different techniques: raw, prompt injection, and a chain-of-thought jailbreak that tries to re-frame the request to trick the LLM. - Probes a bunch of other failure cases (e.g. will your customer support bot recommend a competitor? Does it think it can process a refund when it can't? Will it leak your user's address?) -…
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Launched alongside, November 2025
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