Tandem Diabetes Care
Disclosed Mar 17, 2020140,838 affectedConfirmed
The covered entity (CE), Tandem Diabetes Care, Inc., reported that it was the victim of a cyber-attack involving the electronic protected health information (ePHI) of 140,781 individuals. The ePHI involved included names, dates of birth, addresses, Social Security numbers, diagnoses, medications prescribed, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice on its website. The CE also provided complimentary identity and credit monitoring services to all affected individuals. In response to the breach, the CE revised its HIPAA security procedures, and implemented additional technical safeguards. OCR provided technical assistance to the CE and obtained assurances that the CE implemented the corrective actions noted.
What is known
| People affected | 140,838 (as reported by the organization) |
|---|---|
| Disclosed | Mar 17, 2020 |
| Discovered | Jan 17, 2020 |
| Happened | Jan 17, 2020 |
| Attack | Hacking |
| Data exposed | NamesSocial Security numbersHealth |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
Notices filed
History of this record
First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.