Milliman Solutions

Disclosed Jul 17, 20231,280,823 affectedConfirmed

What is known

People affected	1,280,823 (as reported by the organization)
Disclosed	Jul 17, 2023
Discovered	Jun 8, 2023
Happened	May 29, 2023
Attack	Ransomware
Data exposed	Names
Sector	Finance · US
Status	Confirmed

History of this record

records_basis2026-09-25

empty to organizationby backfillSource

records2026-09-25

empty to 1280823by backfillSource

data_types2026-09-25

[] to ["names"]by backfillSource

sector2026-09-25

other to financeby backfillSource

attack2026-09-25

unknown to ransomwareby backfillSource

discovered2026-09-25

empty to 2023-06-08by 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.