The term “doxxing” comes from the word “documents.” 1990s hacker culture shortened the term to “docs” then “dox,” with “dropping dox” referring to finding personal documents or information (like someone’s physical address) and publishing them online. The hacker collective Anonymous help...
the term(term?)doxing first emerged in the world of online hackers in the 1990s, where anonymity was considered sacred. Feuds between rival hackers would sometimes lead to someone deciding to "drop docs" on somebody else, who had previously only been known as a username or alias. "...