This document summarizes a presentation on hacktivism given by Eric Vanderburg. It defines hacktivism as hacking to promote a political, religious, or social ideology. It discusses how technology and anonymity on the internet have enabled hacktivist groups like Anonymous and LulzSec to conduct cyberattacks. Common hacktivist tactics discussed include DDoS attacks, website defacement, negative SEO, doxxing, and information disclosure. The document advises organizations to assess their culture and risks from hacktivism through background checks, social engineering tests, and limiting social media use.