Marathon Petroleum

Disclosed Apr 8, 20191,287 affectedConfirmed

What is known

People affected	1,287 (as reported by the organization)
Disclosed	Apr 8, 2019
Discovered	Mar 8, 2019
Happened	Nov 28, 2018
Attack	Not stated
Data exposed	NamesSocial Security numbers
Sector	Energy · US
Status	Confirmed

History of this record

data_types2026-09-25

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

discovered2026-09-25

empty to 2019-03-08by 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.