What are the inherent challenges in cyber defense as opposed to cyberattack?

As a team, write a seven- to 10-page Lessons Learned Report that summarizes and analyzes your After Action Reports and your CISO Debrief Reports with answers to the following questions:

• Based on your decisions, what did you expect to happen and why?
• Based on the results, what adjustments to your cyber defenses did you implement?
• What did you learn about interrelationships in cybersecurity?
• What are the inherent challenges in cyber defense as opposed to cyberattack?
• What was the team’s impression of the challenge presented by business vs. technical decision making?