Every public data breach

Disclosed this week47On record26,367

47 disclosed this week · 26,367 on record

ON24

Disclosed Oct 29, 20211,160 affectedConfirmed

Official notice

What is known

People affected1,160 (as reported by the organization)
DisclosedOct 29, 2021
HappenedJun 30, 2021
AttackNot stated
Data exposedNot stated
SectorOther · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: ON24
Official noticein.gov
Indiana Attorney General 2021 data breach report: ON24

Notices filed

Residents of INOct 29, 2021
Indiana AG8 people
Residents of CANov 23, 2021
California AGCount not stated
History of this record
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 1160by backfillSource
disclosed2026-09-25
2021-11-23 to 2021-10-29by backfillSource
occurred2026-09-25
empty to 2021-06-30by 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.

Everything about ON24