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by SAI_Peregrinus 101 days ago
How would providing a signed .deb help? You're still getting the attacker's public key, they can sign whatever they want.

Trusting distro maintainers to curate software in their repos can help, if you only ever install from the curated repos. If there's some software not in the repo which you need, then you can't rely on that trust. "Stable" distros like Debian are less likely to have all the necessary software in their repos, and the difficulty of getting software into a curated repo itself creates legitimate software that doesn't get into repos. That means "is this software in my distro's repository" can give a good signal that some software is safe, but can't give much signal that the software is unsafe.