Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Johnson Matthey

Disclosed Mar 18, 20246,095 affectedConfirmed

Official notice

What is known

People affected6,095 (as reported by the organization)
DisclosedMar 18, 2024
HappenedFeb 15, 2024
AttackNot stated
Data exposedNot stated
SectorOther · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: Johnson Matthey
Official noticein.gov
Indiana Attorney General 2024 data breach report: Johnson Matthey

Notices filed

Residents of CAMar 18, 2024
California AGCount not stated
Residents of INMar 18, 2024
Indiana AG29 people
History of this record
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 6095by backfillSource
Added2026-09-25
First recordedby backfillSource

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

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