Cloudflare tests security LLMs on live code
Cloudflare has deployed security-focused Large Language Models (LLMs) to analyse live code within critical components of its infrastructure.

What happened?
Over recent weeks, Cloudflare has evaluated various security-focused large language models, including Mythos, against its own live code. The tests aim to identify the models' strengths and weaknesses and define the requirements for scaling the use of these models in production environments.
Key facts
| Testobjekt | Säkerhetsfokuserade LLM:er (t.ex. Mythos) |
|---|---|
| Testmiljö | Live-kod i Cloudflares infrastruktur |
| Test syfte | Identifiera styrkor och svagheter hos AI-modellerna |
”In recent weeks, we pointed Mythos and other security-focused LLMs at live code across critical parts of our infrastructure. We share what we observed, the models’ strengths and weaknesses, and what the work around them needs to look like before any of it can scale.”
Why it matters
Utilising AI for live code review could potentially automate and streamline vulnerability detection and security analysis in large-scale systems. Cloudflare's insights may guide the development of future security systems based on generative AI.
Who is affected?
This development affects developers working with security and AI applications, companies considering AI-based security implementations, and cloud service users who may benefit from enhanced infrastructure security. Cybersecurity researchers are also impacted as the results contribute to the field's knowledge base.
What else you should know
Detailed observations regarding model performance and limitations are presented in Cloudflare's blog post, providing a foundation for further research and development in AI-driven cybersecurity.
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