Identify a major cloud breach of a U.S.-based company that has occurred in the recent past

Identify a major cloud breach of a U.S.-based company that has occurred in the recent past (within the last five years). use Cloud Breach of a U.S Company- (Target Inc and Neiman Marcus).  In an 8 page critical evaluation of your chosen breach, review and analyze the breach along the following dimensions: 1. What went wrong? 2. Why did it occur? 3. Who was responsible? 4. How could it have been prevented? 5. What advice would you offer to prevent such a breach from occurring in the future?