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My minute-by-minute response to the LiteLLM malware attack

NOBODY TALKING: Everyone is focused on AI model performance. Nobody is talking about the supply chain security crisis that just hit LiteLLM.

Reporting by Simon Willison 1 min brief
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The KeyNews take

Why it matters

This malware attack on LiteLLM exposes critical vulnerabilities in AI infrastructure supply chains that could compromise enterprise AI deployments across thousands of companies relying on popular middleware tools.

The key facts

4 to know

  1. LiteLLM is a widely-used AI middleware tool

  2. Attack occurred on March 26, 2026

  3. Incident response was documented minute-by-minute

  4. Supply chain security vulnerability in AI infrastructure

Go to the source

Simon Willisonsimonwillison.net

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