Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

SitusAMC Holdings

Disclosed Jan 28, 2026662,701 affectedConfirmed

Official notice

What is known

People affected662,701 (as reported by the organization)
DisclosedJan 28, 2026
DiscoveredNov 12, 2025
HappenedNov 13, 2025
AttackHacking
Data exposedSocial Security numbersGovernment IDsHealthInsurancePayment cardsFinancialDates of birthAddressesNames
SectorOther · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: SitusAMC Holdings
Official noticeatg.wa.gov
Washington Attorney General breach notice: SitusAMC Holdings
Official noticejustice.oregon.gov
Oregon DOJ breach notice: SitusAMC Holdings
Official noticeoag.my.site.com
Texas Attorney General data security breach report BR-0004960: SitusAMC Holdings
Official noticeago.vermont.gov
Vermont Attorney General: 2026-01-28 SitusAMC Holdings Corporation Data Breach Notice to Consumers
Official noticein.gov
Indiana Attorney General 2026 data breach report: SitusAMC Holdings

Notices filed

Residents of CAJan 28
California AGCount not stated
Residents of VTJan 28
Vermont AGCount not stated
Residents of CAFeb 20
California AGCount not stated
Residents of WAFeb 20
Washington AG20,587 people
Residents of ORFeb 20
Oregon DOJ250 people
Residents of CAMar 10
California AGCount not stated
Residents of INMar 10
Indiana AG263 people
Residents of ORMar 23
Oregon DOJ658,333 people
Residents of CAApr 3
California AGCount not stated
Residents of TXApr 6
Texas AG36,827 people
History of this record
source2026-09-25
empty to https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/files/DB-Year-to-Date-Report-7_2026.pdfby backfillSource
source2026-09-25
empty to https://ago.vermont.gov/document/2026-01-28-situsamc-holdings-corporation-data-breach-notice-consumersby backfillSource
data_types2026-09-25
[] to ["ssn","government-id","health","insurance","payment-card","financial","dob","addresses","names"]by backfillSource
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 662701by backfillSource
attack2026-09-25
unknown to hackingby backfillSource
discovered2026-09-25
empty to 2025-11-12by backfillSource
disclosed2026-09-25
2026-02-20 to 2026-01-28by backfillSource
disclosed2026-09-25
2026-03-10 to 2026-02-20by backfillSource
disclosed2026-09-25
2026-04-03 to 2026-03-10by 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 SitusAMC Holdings