Mariner Wealth Advisors

Disclosed May 29, 20264 months ago8,995 affectedConfirmed

Official notice

What is known

People affected	8,995 (as reported by the organization)
Disclosed	May 29, 2026
Discovered	Nov 24, 2025
Happened	Nov 21, 2025
Attack	Hacking
Data exposed	Not stated
Sector	Finance · US
Status	Confirmed

Sources

Source	Kind
California Attorney General breach notice: Mariner Wealth Advisorsoag.ca.gov · Official notice	Official notice
Washington Attorney General breach notice: Mariner Wealth Advisorsatg.wa.gov · Official notice	Official notice
Indiana Attorney General 2026 data breach report: Mariner Wealth Advisorsin.gov · Official notice	Official notice

Notices filed

Where	Filed	People
Indiana AGresidents of IN	May 29	19
California AGresidents of CA	Jun 1
Washington AGresidents of WA	Jun 1	771

Other breaches at Mariner Wealth Advisors

Breach	Disclosed	Attack	Sector	Status	Affected
Disclosed Dec 7, 2022Dec 7, 20223 years ago	Dec 7, 20223 years ago	Not stated	Finance	Confirmed	Unknown

History of this record

2026-09-25 · records_basis: empty to organization · backfill source
2026-09-25 · records: empty to 8995 · backfill source
2026-09-25 · disclosed: 2026-06-01 to 2026-05-29 · backfill source
2026-09-25 · attack: unknown to hacking · backfill source
2026-09-25 · discovered: empty to 2025-11-24 · 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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