2013 — Oracle: Current and former Oracle employees may have had…
Data compromised
Personal information
Technical writeup
Current and former Oracle employees may have had their 401(k) information viewed by a plan administrator at the firm of another Fidelity client. Names, Social Security numbers, compensation, and other 401(k) savings and investmant plan information was briefly viewed by accident. The issue was discovered on July 10, 2013.
Root cause
Unintended disclosure