Why Was the WannaCry Attack Such a Big Deal?

The video discusses the WannaCry ransomware attack, which affected over 200,000 computers globally. It explains how the attack spread using the NSA's EternalBlue exploit, targeting a vulnerability in Microsoft's SMB protocol. Despite its scale, the attack caused limited long-term damage due to a discovered kill switch. The video emphasizes the importance of regular software updates and data backups to prevent future attacks.

What new insight or understanding did you gain from this video?