Marissa Mayer—Yahoo suffered multiple data breaches under Mayer's leadership affecting 3 billion user accounts
During Marissa Mayer's tenure as Yahoo CEO, the company suffered two of the largest data breaches in history - one in 2013 affecting all 3 billion accounts and another in 2014 affecting 500 million accounts. The breaches were not publicly disclosed until 2016 and 2017, raising questions about transparency.
Scoring Impact
| Topic | Direction | Relevance | Contribution |
|---|---|---|---|
| Corporate Transparency | -against | secondary | -0.50 |
| Data Security | -against | primary | -1.00 |
| Overall incident score = | -0.375 | ||
Score = avg(topic contributions) × significance (critical ×2) × confidence (0.50)× agency (negligent ×0.5)