Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

SONIC

Disclosed Oct 4, 2017Confirmed

Official notice

What is known

People affectedNot stated in the sources we have
DisclosedOct 4, 2017
HappenedSep 30, 2017
AttackNot stated
Data exposedNamesPayment cards
SectorOther · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: SONIC
Official noticemaine.gov
Maine Attorney General breach notice archive: SONIC

Notices filed

Residents of MEOct 4, 2017
Maine AGCount not stated
Residents of CAOct 5, 2017
California AGCount not stated
History of this record
data_types2026-09-25
[] to ["names","payment-card"]by backfillSource
disclosed2026-09-25
2017-10-05 to 2017-10-04by backfillSource
occurred2026-09-25
empty to 2017-09-30by 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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