# Healthcare technology data breaches

> Live situation record from CLSTR: https://clstr.news/situations/healthcare-technology-data-breaches
> Updated: 2026-08-08T07:25:12.000Z. Sources: 2. Developments: 2.

The healthcare technology sector has experienced significant data breaches affecting various types of sensitive information.

HealthStream reported that an unauthorized party accessed corporate file servers, leading to the potential exfiltration of employee information and customer/vendor billing data. The company indicated that patient-facing systems and protected health information remained uncompromised.

Separately, Unlimited Technology Systems disclosed a breach affecting over 3.8 million individuals. The unauthorized access to a commercial data center exposed names, Social Security numbers, contact information, and various medical details, including diagnoses and insurance information. The company is providing identity protection services to those affected.

## Timeline

### 2026-08-08: Unlimited Technology Systems data breach affects 3.8 million patients

A data breach at healthcare technology firm Unlimited Technology Systems has exposed the personal and medical information of approximately 3.8 million people.

2 sources. https://clstr.news/cluster/unlimited-technology-systems-data-breach-affects-38-million-patients

### 2026-07-30: HealthStream data breach exposes employee and billing data

HealthStream reported an unauthorized intrusion of its corporate servers, potentially exposing employee and billing data but not patient health information; around 75 customers were notified.

2 sources. https://clstr.news/cluster/healthstream-data-breach-exposes-employee-and-billing-data

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Cite as: Healthcare technology data breaches. CLSTR, https://clstr.news/situations/healthcare-technology-data-breaches