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Crozer-Keystone Health System

Disclosed Sep 1, 20206 years ago177,023 affectedConfirmed

Official notice

What is known

People affected177,023 (as reported by the organization)
DisclosedSep 1, 2020
DiscoveredJun 15, 2020
HappenedJun 14, 2020
AttackNot stated
Data exposedNames, Health, Insurance
SectorHealthcare · US
StatusConfirmed

Sources

Source
Notice letter filed with the Delaware DOJ: Crozer-Keystone Health Systemattorneygeneral.delaware.gov · Official notice

Notices filed

WhereFiledPeople
Delaware DOJresidents of DESep 1, 20206,792
History of this record
  • 2026-09-25 · added · backfill source

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

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