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400+ Arch Linux AUR Packages Compromised in a Supply Chain Attack Deploying Infostealers
(cybersecuritynews.com)
This is a most excellent place for technology news and articles.
CachyOS community seems to have a detection script, I have not vetted this run at your own discretion.
https://discuss.cachyos.org/t/aur-compromised-400-packages-affected-20260611/31040