Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Eisai

Disclosed Oct 2, 20238,064 affectedConfirmed

Official notice

What is known

People affected8,064 (as reported by the organization)
DisclosedOct 2, 2023
HappenedMay 22, 2023
AttackNot stated
Data exposedNot stated
SectorOther · US
StatusConfirmed

Sources

Official noticeago.vermont.gov
Vermont Attorney General: 2023-10-02 Eisai Data Breach Notice to Consumers
Official noticein.gov
Indiana Attorney General 2023 data breach report: Eisai

Notices filed

Residents of VTOct 2, 2023
Vermont AGCount not stated
Residents of INOct 2, 2023
Indiana AG91 people

Other breaches at Eisai

Breach, details not statedBreach notice filed with the Indiana AG, details not stated.2,085 affectedUSSep 10, 2020Breach, details not statedBreach notice filed with the Indiana AG, details not stated.110 affectedUSMar 27, 2019
History of this record
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 8064by backfillSource
occurred2026-09-25
empty to 2023-05-22by backfillSource
Added2026-09-25
First recordedby backfillSource

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

Everything about Eisai