Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Northrop Grumman Systems

Disclosed Apr 19, 20171,938 affectedConfirmed

Official notice

What is known

People affected1,938 (as reported by the organization)
DisclosedApr 19, 2017
HappenedApr 18, 2016
AttackNot stated
Data exposedNot stated
SectorTech · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: Northrop Grumman Systems
Official noticein.gov
Indiana Attorney General 2017 data breach report: Northrop Grumman Systems

Notices filed

Residents of CAApr 19, 2017
California AGCount not stated
Residents of INApr 19, 2017
Indiana AG6 people
History of this record
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 1938by 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.

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