2011 — Lincoln National Corporation: On April 29, an employee accidentally attached a…
Data compromised
Personal information
Technical writeup
On April 29, an employee accidentally attached a sensitive file to an encrypted email that was sent to a third-party payroll provider. It contained the names and Social Security numbers of pension plan participants of multiple payroll vendors. The error was discovered on May 17, and notifications were sent in July.
Root cause
Unintended disclosure