Yale New Haven Health Services
Disclosed Jul 23, 202114,603 affectedConfirmed
The covered entity (CE), Yale New Haven Health Services Corporation, reported that its business associate (BA) was the victim of a cyber-attack that compromised the protected health information (PHI) of 14,603 individuals. The PHI involved included names, addresses, phone numbers, email addresses, Social Security numbers, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice on its website. In response to the breach, the BA implemented additional technical safeguards to better protect PHI.
What is known
| People affected | 14,603 (as reported to HHS) |
|---|---|
| Disclosed | Jul 23, 2021 |
| Attack | Hacking |
| Data exposed | NamesHealth |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
Notices filed
Other breaches at Yale New Haven Health Services
History of this record
First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.