iRhythm Technologies Data Breach Potentially Exposes Protected Health Information

iRhythm Technologies, a medical device company known for its Zio cardiac monitoring platform, has disclosed a data breach affecting its computer systems.

The company discovered the breach on June 8, 2026, and disclosed the incident to the U.S. Securities and Exchange Commission on June 10, 2026. Additionally, the company released a statement concerning the data incident on its website. The total number of individuals affected in the United States has not been publicly reported.

Threat actors gained unauthorized access to iRhythm Technologies' computer systems and stole patient information. The unauthorized access resulted in the theft of personal and health-related data belonging to affected individuals.

The specific categories of personal information and protected health information compromised in this breach have not been detailed in publicly available disclosures but may pertain to information types such as names, Social Security numbers, financial account details, medical records, health insurance information or cardiac monitoring data.

Irhythm Technologies' response to the breach

At the time of this report, details about what the company is offering affected individuals have not been made publicly available. It is not known whether iRhythm Technologies is providing credit monitoring services, identity protection or other forms of assistance to those whose information may have been compromised.

No dedicated call center or response website for affected individuals has been publicly announced.

Individuals who believe they may have been affected are encouraged to visit iRhythm Technologies' website or contact the company directly for the most current updates. As more information becomes available, the company may provide additional resources for affected individuals.