Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

STP Nuclear Operating

Disclosed Dec 19, 2017Confirmed

Official notice

What is known

People affectedNot stated in the sources we have
DisclosedDec 19, 2017
HappenedDec 12, 2017
AttackNot stated
Data exposedNamesSocial Security numbers
SectorOther · US
StatusConfirmed

Sources

Official noticein.gov
Indiana Attorney General 2018 data breach report: STP Nuclear Operating
Official noticemaine.gov
Maine Attorney General breach notice archive: STP Nuclear Operating

Notices filed

Residents of MEDec 19, 2017
Maine AG1 person
Residents of INDec 20, 2017
Indiana AG844 people

Other breaches at STP Nuclear Operating

Breach, details not statedExposed Social Security numbers, dates of birth and names. Reported to the Texas AG.1,175 affectedUSOct 28
History of this record
data_types2026-09-25
[] to ["names","ssn"]by backfillSource
disclosed2026-09-25
2017-12-20 to 2017-12-19by 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 STP Nuclear Operating