Why is it called getting doxxed?

Why is the term "getting doxxed" used to describe the act of revealing someone's personal information online without their consent? It seems like an unusual choice of words, given that it doesn't immediately convey the meaning behind the action. Is there a specific origin or history behind this term, or is it simply a slang phrase that has gained popularity in recent years? And how has the increasing prevalence of doxxing on the internet impacted the privacy and security of individuals and communities?