Understanding and categorising Managed Detection & Response (MDR). Managed Detection & Response (MDR) is the buzzword of the moment that currently adorns every other front page of IT literature. Why is there so much hype and how should MDR be prioritised over other security measures? How can the risks and costs of cyber attacks be quantified and what reduction can be achieved through the use of MDR? The presentation provides the most important answers to these questions in a concise and succinct manner.