Meaning of the word «dox»

Origin of doxDox is an alteration of docs, which is short for documents. It’s been used since around 2000.

Citations for dox«Hackers and online vigilantes routinely "dox" both public and private figures who provoke their ire, by publishing social security numbers, home addresses, and credit card numbers.»Sam Gustin, "The Internet Doesn't Hurt People--People Do: 'The New Digital Age,'" Time, April 26, 2013
«Apparently, one of his online enemies had doxed him.»Jason Fagone, "The Serial Swatter," New York Times, November 24, 2015