Every public data breach

Disclosed this week47On record26,367

47 disclosed this week · 26,367 on record

Hydrocephalus Association

Disclosed Sep 4, 2020Confirmed

Official notice

What is known

People affectedNot stated in the sources we have
DisclosedSep 4, 2020
DiscoveredAug 14, 2020
HappenedFeb 7, 2020
AttackRansomware
Data exposedNot stated
SectorNonprofit · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: Hydrocephalus Association
Official noticeatg.wa.gov
Washington Attorney General breach notice: Hydrocephalus Association

Notices filed

Residents of CASep 4, 2020
California AGCount not stated
Residents of WASep 4, 2020
Washington AG835 people
History of this record
attack2026-09-25
unknown to ransomwareby backfillSource
discovered2026-09-25
empty to 2020-08-14by 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 Hydrocephalus Association