Every public data breach

47 disclosed this week · 26,367 on record

Torrance Memorial Medical Center

Disclosed Mar 6, 20203,498 affectedConfirmed

Official notice

Torrance Memorial Medical Center, the covered entity (CE), reported that its business associate (BA) was the victim of a cyber-attack that affected the electronic protected health information (ePHI) of 3,448 individuals. The ePHI involved included clinical information, diagnoses/conditions, and other treatment information. The BA retrained its staff and implemented additional technical safeguards.

What is known

People affected3,498 (as reported to HHS)
DisclosedMar 6, 2020
HappenedJun 20, 2019
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

Other breaches at Torrance Memorial Medical Center

History of this record
attack2026-09-25
unknown to hackingby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
records_basis2026-09-25
empty to hhsby backfillSource
records2026-09-25
empty to 3498by backfillSource
summary2026-09-25
empty to Torrance Memorial Medical Center, the covered entity (CE), reported that its business associate (BA) was the victim of a cyber-attack that affected the electronic protected health information (ePHI) of 3,448 individuals. The ePHI involved iby 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.

Everything about Torrance Memorial Medical Center