American Addiction Centers

Disclosed Aug 7, 20267 weeks agoConfirmed

Official notice

What is known

People affected	Not stated in the sources we have
Disclosed	Aug 7, 2026
Discovered	Jun 5, 2026
Happened	May 12, 2026
Attack	Hacking
Data exposed	Not stated
Sector	Healthcare · US
Status	Confirmed

Sources

Source	Kind
California Attorney General breach notice: American Addiction Centersoag.ca.gov · Official notice	Official notice
Washington Attorney General breach notice: American Addiction Centersatg.wa.gov · Official notice	Official notice
Oregon DOJ breach notice: American Addiction Centersjustice.oregon.gov · Official notice	Official notice

Notices filed

Where	Filed	People
California AGresidents of CA	Aug 7
Washington AGresidents of WA	Aug 7	1,155
Oregon DOJresidents of OR	Sep 3	1

Other breaches at American Addiction Centers

Breach	Disclosed	Attack	Sector	Status	Affected
Disclosed Nov 25, 2024Nov 25, 20241 year agoHacking	Nov 25, 20241 year ago	Hacking	Healthcare	Confirmed	422K
Disclosed Nov 9, 2020Nov 9, 20205 years ago	Nov 9, 20205 years ago	Not stated	Healthcare	Confirmed	328

History of this record

2026-09-25 · sector: other to health · backfill source
2026-09-25 · attack: unknown to hacking · backfill source
2026-09-25 · discovered: empty to 2026-06-05 · backfill source
2026-09-25 · added · backfill source

First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.

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