Every public data breach

Disclosed this week47On record26,367

47 disclosed this week · 26,367 on record

MTG USA

Disclosed Sep 10, 20214,270 affectedConfirmed

Official notice

What is known

People affected4,270 (as reported by the organization)
DisclosedSep 10, 2021
HappenedJun 25, 2021
AttackNot stated
Data exposedNot stated
SectorOther · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: MTG USA
Official noticein.gov
Indiana Attorney General 2021 data breach report: MTG USA

Notices filed

Residents of INSep 10, 2021
Indiana AG22 people
Residents of CASep 26, 2021
California AGCount not stated
History of this record
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 4270by backfillSource
disclosed2026-09-25
2021-09-26 to 2021-09-10by 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.

Everything about MTG USA