hacktivist

noun

1. A person who engages in hacktivism.

   “One type of badvocate, sometimes identified as a troll, is a hacktivist..”

   “However, there remain many cybersecurity concerns about the railways. For example, and perhaps more pertinently, 'hacktivists' - hackers with a political rather than a financial motive - in Belarus were reported to have taken breached computers that control rail movements in the country in an effort to delay Russian supplies to their front line in the early stages of the war against Ukraine.”