Every public data breach

47 disclosed this week · 26,367 on record

Cancer Center of Greenwood Leflore Hospital

Disclosed Jul 19, 20212,714 affectedConfirmed

Official notice

The covered entity (CE), The Cancer Center of Greenwood Leflore Hospital, reported that its business associate (BA) experienced a ransomware attack that affected the electronic protected health information (ePHI) of 2,714 individuals. The ePHI involved included names, dates of birth, addresses, Social Security numbers, claims information, diagnoses, and lab results. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In response to the breach, the BA implemented additional technical safeguards to better protect ePHI. OCR provided the CE with technical assistance regarding the HIPAA Breach Notification Rule.

What is known

People affected2,714 (as reported to HHS)
DisclosedJul 19, 2021
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
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.

Everything about Cancer Center of Greenwood Leflore Hospital