Doxing refers to the collection of a user’s private information across multiple platforms (including social media) by an unauthorized individual, who then publishes the information in an attempt to shame or embarrass the user. Doxing may be conducted by researching public databases, hacking, or through social engineering. The term "doxing" is derived from the phrase "dropping dox (documents)."
Columbia University Life has compiled resources that can help you better understand what doxing is, the measures you can take to prevent it, as well as what to do if you've been the victim of doxing.