ABC Trading's technology background

In our scenario, the CTO is new to the organization. They are under pressure to control technology costs. Like many organizations, ABC Trading has dozens of applications that have been developed or purchased at various points in its history. Along with each application, new technology components have been implemented to support those applications and various other projects.

The CTO suspects that, along the way, some applications and technology components that are no longer needed have been left in place. It's also possible that the use of some applications or components can be eliminated by making relatively small changes. Unlike the previous user stories, this one requires us to analyze information across a broad spectrum of the enterprise rather than looking at the details of a single application or technology. The problem is that the CTO does not have this information.

But why not? It's not as if systems are implemented haphazardly...