In this lightning talk we will explore one approach to getting multi-stakeholder agreement on Enterprise Architecture decisions focused on a defence in depth security model. Corporate enterprise technology environments can be large and complicated. And when it comes to making changes to the internet facing security environment both rigorousness and resistance to change increase. These increased challenges can be overcome with good project / process management, solid end-to-end architecture, and a comprehensive decision making template. In a nutshell, this talk explores the enterprise architecture decision.