Susie Hargreaves OBE and her team at the Internet Watch Foundation (IWF) hunt down child abuse images online, and help to identify children involved so that law enforcement can intervene.  Defenders of Digital series take a closer look at the critical work Susie and her team are doing to tackle the ever increasing number of child abuse images housed on websites around the world. We learn that the recent pandemic has triggered a spike in child abuse images, and how Susie’s team are fighting back with a new piece of tech.