Nominet has oversight of the .co.uk domain for the internet. They receive millions of interactions every day, from these they need to identify those activities which are fraudulent or are adversarial in nature, trying to harm them and their customers’ systems. Members of the Institute for Ethical AI at Oxford Brookes worked with Nominet to develop and improve their fraud detection systems and in particular, how their data could be presented and interpreted so it can be made sense of.