I would say that instead of describing how you would defend against your own attacking way, it would be more suiting to instead describe how you would defend when choosing your attacking way. This is the core of tactic-making. How to score and how to defend? In overall you choose between three gameplans, defensive, balanced or attacking. When choosing to play defensive you still need to be able to threat the opponents. When choosing to play an attacking game, you still need a plan on how to defend.
What are the pro and cons for each formation related to available space, space you need to cover in your own formational set-up. Which space will you be able to threat when using this formation.