2022 Danaher — vendor Aon breach window exposed employee PII; Danaher began notifying individuals
Data compromised
Names, Social Security numbers, and benefit enrollment data per attorney summaries citing notice letters.
Technical writeup
Consumer litigation summaries state Aon notified Danaher that systems housing Danaher employee data were accessed between late 2020 and early 2022, prompting June 2022 notifications for thousands of workers.
Root cause
Third-party benefits/payroll partner compromise (Aon) affecting downstream corporate employee files.