- State
- CT
- Covered entity type
- Health Plan
- Individuals affected
- 484,157
- Business associate present
- Yes
- Type of breach
- Hacking/IT Incident
- Location of breached information
- First seen by InfoSec Signals
- Sep 23, 2026
- Last seen in OCR export
- Oct 25, 2026
OCR description
Aetna ACE, the covered entity (CE), reported that multiple employees of its business associate (BA) experienced a phishing attack that affected the electronic protected health information (ePHI) of 484,157 individuals. The ePHI involved included names, addresses, Social Security numbers, dates of birth, diagnoses, and financial and other treatment information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE revised its policies and procedures relating to BAs.
Change history
- Sep 23, 2026Added to OCR's archive list
Source: HHS OCR Breach Portal, U.S. Department of Health and Human Services, Office for Civil Rights about this source
Records are reproduced as published; entity names and figures are OCR's.