In this paper, the vulnerabilityscan web application is described that allows you to investigate the biosecurity vulnerabilities in your organization. The vulnerabilityscan is built around the eight pillars of good practice of biosecurity. You will find questions and scenarios for each pillar of good practice. By addressing the various questions and scenarios of this web application, you get an overview of the biosecurity situation within your organisation . You will find a more in depth explanation (opens in a new window) in the user manual.