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this post was submitted on 22 Feb 2024
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Or: use linux and don't be a dumbass. I know, it sounds elitist, but I've been around a long, long time on the internet and I probably haven't used antivirus this millennia and the only problem I've ever had was one kodi addon mining bitcoin (inside a sandboxed environment).
Linux users keep saying you don't need antivirus on Linux and that Linux is more secure and safe. This intrigues me, as I'm moving to Linux, but I never hear any technical reasons as to why this would be. All I see is "there are no viruses because it's a small platform". That's not an argument for the security of the platform so I'm curious to know if there are any technical reasons Linux would be more secure. Every now and then I read about some malware for Linux, so they do definitely exist.
It's not the case that viruses can't exist on Linux, it's just very improbable through normal usage. The key difference is that the overwhelming majority of software installed on Linux is through a package manager, which is a tool that downloads software from a maintained, trusted, and vetted repository of software. So instead of googling "Firefox download", clicking on (hopefully) the right link (and getting this right gets harder and harder with Google fucking up search results), and downloading the software from the website, you simply execute a command in your terminal like
apt install firefox
(for Debian-based systems, command can vary by distro you're using) and it pulls the software from a trusted repository. This alone eliminates the most common attack vectors, since usually Windows users get viruses by downloading random executables off the internet.Generally, the way you get viruses on a Linux system are through finding/exploiting vulnerabilities in software which is very hard to pull off generally and are usually resolved fairly quickly once they're discovered (And of course, Linux is not unique in this respect, any computer can be target of such attacks).