Explain abstract ideas like data manipulation and forgery and online jacking with concrete examples from the actual world.

What is a horse of Troy? Three instances.

In your mind's eye, what does an email seem like? In the case of email, the journey begins and ends in the same spot. Keep track of your findings. If there should be no distinctions, why are there any? Look at how the levels of detail (or lack thereof) in the models vary.

Imagine an email, what do you see? Is it possible for information to go to the right people? The collected information must be documented. Just how crucial is it to understand the distinctions between the two? Specifically, how abstract or detailed are various models, and how do they stack up against one another?