Hi there,
Win10 is soon not supported. Tbh Linux have been on my radar since I started to break from the US big tech.
But how is security handled in Linux? Linux is pretty open-source, or am I not understanding it correctly. So how can I as a new user make sure to have the most secure machine as possible?
if you mean the most secure desktop? then linux is not. not by a long shot. use windows.
https://madaidans-insecurities.github.io/security-privacy-advice.html#desktop-os
https://madaidans-insecurities.github.io/linux.html
if you mean most most free, linux it is. personally I use linux.
About sandboxing, not like the Java-VM helps much in Android security.
The inherent problem why sandboxing should not be on this list: