Summary
The lesson from the start of this book has been that the nature of threat changes but stays the same. As technologies are phased out, new ones emerge to take their place and there is no reason to think that they will be any more secure than their predecessors. The difference between a successful attack and a failed mission is how well you understand the target, its processes, and the technologies on which it is reliant. Once you're able to follow their workflow, you will be able to discover and exploit vulnerabilities within it.
In the example of the InDesign document, it should go without saying that trusting a plugin from a third party that could do anything is a serious security vulnerability. However, most people who use InDesign will never consider this possibility, as it's just like any other InDesign plugin they encounter on a daily basis. The way they are packaged and deployed is a necessary fact of life for anyone involved in either editing and signing off on...