Mainstream support ended 15 years ago. Extended security support ended 10 years ago. The last version to have any kind of update at all was their embedded OS version for things like cash registers, with the last security update 5 years ago.
So it’s wildly insecure against any new attacks targeting an OS that’s largely used by major corporations, governments, and medical facilities that are juicy targets for theft and ransomware attacks.
There is a service called 0patch that offers live microcode updates for XP. They’ve even won bounties for a few things they caught before Microsoft.
I pay about $30 a year to live micropatch my WIn7 gaming partition and have had no issues despite also being a bit less than diligent when it comes to digital buccaneering on that machine.
