basically an agreement between 14 countries to share signals intelligence amongst one another. effectively, if your data gets captured in Sweden, all the participating states are able to get their hands on it. check out the Wikipedia article for more details on 14 eyes: https://en.wikipedia.org/wiki/Five_Eyes#Fourteen_Eyes
my deepest condolences… also don’t they re-open public registration on Nov 20? https://shitposter.club/notice/Aa34W1BLFyy3RuBB5M