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Eisai

Disclosed Oct 2, 20232 years ago8,064 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

Source
Vermont Attorney General: 2023-10-02 Eisai Data Breach Notice to Consumersago.vermont.gov · Official notice
Indiana Attorney General 2023 data breach report: Eisaiin.gov · Official notice

Notices filed

WhereFiledPeople
Vermont AGresidents of VTOct 2, 2023
Indiana AGresidents of INOct 2, 202391

Other breaches at Eisai

BreachAffected
Disclosed Sep 10, 2020Sep 10, 20206 years ago2,085
Disclosed Mar 27, 2019Mar 27, 20197 years ago110
History of this record
  • 2026-09-25 · records_basis: empty to organization · backfill source
  • 2026-09-25 · records: empty to 8064 · backfill source
  • 2026-09-25 · occurred: empty to 2023-05-22 · backfill source
  • 2026-09-25 · added · backfill source

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

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