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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.
flatpak has a sandbox
Be careful with relying on it though since it has more holes than swiss cheese due in part to lazy devs who request unesecary permissions & the sandbox being slightly flawed from a security perspective.
A sandbox that has enough protection to be secure also has enough restrictions as to be too annoying to use, and often is useless. Don't get me wrong, sandboxes can be very good, but only in specific situations. In general you need your applications to be secure without a sandbox.
What do you mean, don't you love a text editor that can not open any file on your system?
You're basically describing ed.
It's a sandbox in the sense that it is a box to keep the sand in one place under normal circumstances. It was never intended to completely prevent sand from being ejected by an unruly child inside of it. Or perfectly keep outside toys from being brought into it if someone tries to do that.