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vintagedavetoday at 12:49 AM1 replyview on HN

So many questions here but:

> the package was downloaded and run on 15 real systems. One of these systems was a scanner belonging to a real security company … that routinely installs Python packages and scans them for malware. … We believe the company’s security scanner treated PyPI packages as safe to install, and as a result, Claude was able to exfiltrate the company’s credentials to a collection point

A security scanning company treated the package as safe while scanning it?


Replies

winstonwinstontoday at 2:03 AM

The blog post is painfully vague. What usually happens when you publish a package on PyPI is that it will be downloaded tens of times shortly after uploading files by some 3rd-party automatic security scanners which then could “detonate” (install and execute) the package in some sandbox and to log what happens.

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