Every public data breach

Disclosed this week47On record26,367

47 disclosed this week · 26,367 on record

Delek US Holdings

Disclosed Jul 26, 201727,123 affectedConfirmed

Official notice

What is known

People affected27,123 (as reported by the organization)
DisclosedJul 26, 2017
HappenedMay 23, 2017
AttackNot stated
Data exposedNamesSocial Security numbers
SectorOther · US
StatusConfirmed

Sources

Official noticein.gov
Indiana Attorney General 2017 data breach report: Delek US Holdings
Official noticemaine.gov
Maine Attorney General breach notice archive: Delek US Holdings

Notices filed

Residents of INJul 26, 2017
Indiana AG50 people
Residents of MEJul 26, 2017
Maine AG6 people
History of this record
data_types2026-09-25
[] to ["names","ssn"]by 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.

Everything about Delek US Holdings