Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Bristol Myers Squibb

Disclosed Jun 30, 2023Confirmed

Official notice

What is known

People affectedNot stated in the sources we have
DisclosedJun 30, 2023
DiscoveredMay 31, 2023
HappenedMay 27, 2023
AttackHacking
Data exposedNot stated
SectorHealthcare · US
StatusConfirmed

Sources

Official noticeatg.wa.gov
Washington Attorney General breach notice: Bristol Myers Squibb

Notices filed

Residents of WAJun 30, 2023
Washington AG2,231 people

Other breaches at Bristol Myers Squibb

Breach, details not statedExposed names and health records. Reported to the Delaware DOJ.2.9M affectedHealthcareUSMay 17, 2024
History of this record
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (Washington AG), confirmed by Washington AG. Record counts are as reported. Not legal advice.

Everything about Bristol Myers Squibb