Gunster, Yoakley & Stewart
Disclosed Aug 4, 2023545,575 affectedConfirmed
The business associate (BA), Gunster, Yoakley, & Stewart, reported that it experienced a cyber-attack that compromised the protected health information (PHI) of 42,077 individuals. The PHI involved included names, addresses, dates of birth, drivers’ license and Social Security numbers, claims information, diagnoses, lab results, and medications. The BA notified HHS, affected individuals, the media, and provided substitute notice on its website. In response to the breach, the CE provided complimentary credit monitoring services and implemented additional administrative, technical, and security safeguards.
What is known
| People affected | 545,575 (as reported by the organization) |
|---|---|
| Disclosed | Aug 4, 2023 |
| Discovered | Nov 27, 2022 |
| Happened | Nov 27, 2022 |
| Attack | Hacking |
| Data exposed | NamesGovernment IDsHealthInsuranceCredentials and tokens |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
Notices filed
History of this record
First seen 2026-09-25 (Delaware DOJ), confirmed by Delaware DOJ. Record counts are as reported. Not legal advice.