Wolf Haldenstein Adler Freeman & Herz

Disclosed May 23, 20233,445,537 affectedConfirmed

What is known

People affected	3,445,537 (as reported by the organization)
Disclosed	May 23, 2023
Discovered	Dec 13, 2023
Happened	Dec 13, 2023
Attack	Ransomware
Data exposed	NamesHealth
Sector	Other · US
Status	Confirmed

Sources

Official noticeoag.ca.gov

California Attorney General breach notice: Wolf Haldenstein Adler Freeman & Herz

Official noticeatg.wa.gov

Washington Attorney General breach notice: Wolf Haldenstein Adler Freeman & Herz

Official noticeattorneygeneral.delaware.gov

Notice letter filed with the Delaware DOJ: Wolf Haldenstein Adler Freeman & Herz

Official noticejustice.oregon.gov

Oregon DOJ breach notice: Wolf Haldenstein Adler Freeman & Herz

Official noticeago.vermont.gov

Vermont Attorney General: 2023-05-23 Wolf Haldenstein Adler Freeman & Herz Data Breach Notice to Consumers

Official noticein.gov

Indiana Attorney General 2025 data breach report: Wolf Haldenstein Adler Freeman & Herz

Official noticein.gov

Indiana Attorney General 2024 data breach report: Wolf Haldenstein Adler Freeman & Herz

Notices filed

Residents of VTMay 23, 2023

Vermont AGCount not stated

Residents of INMay 23, 2024

Indiana AG1 person

Residents of DEJan 13, 2025

Delaware DOJ13,732 people

Residents of INJan 13, 2025

Indiana AG25,430 people

Residents of CAJan 15, 2025

California AGCount not stated

Residents of WAJan 16, 2025

Washington AG67,820 people

Residents of ORJan 16, 2025

Oregon DOJ3,445,537 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-Reportdec-2024.pdfby backfillSource

source2026-09-25

empty to https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/files/DB-Year-to-Date-Report-2025.pdfby backfillSource

disclosed2026-09-25

2025-01-13 to 2023-05-23by backfillSource

data_types2026-09-25

[] to ["names","health"]by backfillSource

records_basis2026-09-25

empty to organizationby backfillSource

records2026-09-25

empty to 3445537by backfillSource

disclosed2026-09-25

2025-01-15 to 2025-01-13by backfillSource

attack2026-09-25

unknown to ransomwareby backfillSource

discovered2026-09-25

empty to 2023-12-13by 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 Wolf Haldenstein Adler Freeman & Herz