Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Terrier Media Buyer

Disclosed Oct 8, 202130,709 affectedConfirmed

Official notice

What is known

People affected30,709 (as reported by the organization)
DisclosedOct 8, 2021
DiscoveredJun 3, 2021
HappenedJun 3, 2021
AttackRansomware
Data exposedNot stated
SectorMedia · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: Terrier Media Buyer
Official noticeatg.wa.gov
Washington Attorney General breach notice: Terrier Media Buyer
Official noticein.gov
Indiana Attorney General 2021 data breach report: Terrier Media Buyer

Notices filed

Residents of CAOct 8, 2021
California AGCount not stated
Residents of INOct 8, 2021
Indiana AG84 people
Residents of WAOct 28, 2021
Washington AG693 people
Residents of CANov 2, 2021
California AGCount not stated
History of this record
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 30709by backfillSource
attack2026-09-25
unknown to ransomwareby backfillSource
discovered2026-09-25
empty to 2021-06-03by backfillSource
disclosed2026-09-25
2021-11-02 to 2021-10-08by 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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