Every public data breach

44 disclosed this week · 26,355 on record

Inova Health System

Disclosed Nov 2, 201812,331 affectedConfirmed

Official notice

The covered entity (CE), Valley Health System, reported that its business associate (BA), Inova Health System, experienced a cyber-attack that affected the protected health information (PHI) of approximately 13,596 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, medical record numbers, and patient identification numbers. The BA notified HHS, affected individuals, the media, and posted substitute notice on its website. The CE also notified HHS. In its mitigation efforts, the BA implemented additional administrative, technical, and security safeguards to better protect PHI, and retrained its staff.

What is known

People affected12,331 (as reported to HHS)
DisclosedNov 2, 2018
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

Other breaches at Inova Health System

History of this record
records2026-09-25
1265 to 12331by backfillSource
disclosed2026-09-25
2018-11-19 to 2018-11-02by backfillSource
Added2026-09-25
First recordedby backfillSource

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

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