How do you guys backup/store your personal photos safely?

I know nothing about cyber security and hacking at all. i feel very stupid but i have to start somehow to have knowledge right? So pls don’t judge me for being an idiot lol,
So i just need some help.. i was arguing a lot with people on telegram and made many people angry and they threatened to doxx me and hack my telegram account, but im not really concerned about that as much as im concerned about my friend …

backup cyber cyber security don hacking judge knowledge lot nothing people personal photos privacy security start store telegram