Steel Partners Holdings

Disclosed Jun 29, 202026,356 affectedConfirmed

What is known

People affected	26,356 (as reported by the organization)
Disclosed	Jun 29, 2020
Discovered	May 29, 2020
Happened	Apr 18, 2020
Attack	Not stated
Data exposed	NamesHealthSocial Security numbers
Sector	Manufacturing · US
Status	Confirmed

History of this record

data_types2026-09-25

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

source2026-09-25

empty to https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/files/DB-Year-to-Date-Report-2020.pdfby backfillSource

data_types2026-09-25

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

records_basis2026-09-25

empty to organizationby backfillSource

records2026-09-25

empty to 26356by backfillSource

disclosed2026-09-25

2020-07-16 to 2020-06-29by backfillSource

discovered2026-09-25

empty to 2020-05-29by backfillSource

disclosed2026-09-25

2020-08-02 to 2020-07-16by backfillSource

disclosed2026-09-25

2020-11-23 to 2020-08-02by 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.