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Arch Linux Now Believes Malware Incident Under Control: More Than 1,500 Affected Packages
(www.phoronix.com)
This is a most excellent place for technology news and articles.
Guix is not a small distro any more and has a lot of support. Yes it has more packages than Arch - but this is hardly an argument against it. It is built on different principles compared to the Arch user repository - keeping control of the own computer was always a core goal of GNU, and this logically includes security from malware.