Create an attack tree for reading someone else's email. Assign a difficulty level to each attack node $($e$.$g$.,$ "easy," "hard," "very hard"$).$ Which attack requires the least sophistication on the part of the attacker? Which attack requires the greatest expertise? What types of attackers do you think would use either attack?

Important: minimum requirement for each attack tree:

Has at least three different attacks $($second$-$level nodes$)$

Has at least one attack with a path at least three subnodes deep

Has at least two attacks that have subtasks with at least two immediate children

Answers all questions and justifies rankings and answers. E$.$g$.,"$We think that attack would be the easiest because whereas would not be as easy because

We think that tailgating behind a legitimate member would be the easiest attack because it requires minimal effort and resources, simply relying on exploiting the physical security vulnerabilities of the gym$\text{'}$s entrance. Whereas, manipulating the receptionist by creating a distraction would not be as easy because it involves orchestrating a complex scenario, potentially requiring the involvement of multiple actors and careful planning to divert the receptionist's attention effectively.

This will let you easily create something like this: