Society for Industrial and Applied Mathematics

Disclosed Jul 6, 2020645 affectedConfirmed

What is known

People affected	645 (as reported by the organization)
Disclosed	Jul 6, 2020
Discovered	Apr 22, 2020
Happened	Feb 13, 2020
Attack	Not stated
Data exposed	NamesPayment cardsFinancial
Sector	Nonprofit · US
Status	Confirmed

History of this record

data_types2026-09-25

[] to ["names","payment-card","financial"]by backfillSource

discovered2026-09-25

empty to 2020-04-22by backfillSource

Added2026-09-25

First recordedby backfillSource

First seen 2026-09-25 (Indiana AG), confirmed by Indiana AG. Record counts are as reported. Not legal advice.