1. U.S. data breaches and exposed records 2020;Johnson;Statista,2021
2. Yahoo shares fall after latest security breach;Reuters,2016
3. Facebook loses around $13 billion in value after data breach affects 50 million of its users;Kelleher;Fortune,2018
4. NY charges first american financial for massive data leak;Krebs on Security,2020
5. Companies with security fails don't see their stocks drop as much, according to report;Klebnikov;Forbes,2019