Adversary (or Attacker) Posted on December 9, 2019February 1, 2021 by Ty Mezquita Image Source An Adversary is an individual, group, organization, or government that conducts or has the intent to conduct malicious activities. An example of an adversary would be a hacker, an attacker, or a criminal. An adversary is someone who wants to do you harm. Related Terms: Threat Agent, Attacker To learn more about this topic, watch this short video. Watch this video on YouTube Share this on your social networks. Help Friends, Family, and Colleagues become more aware and secure.