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California-Based Heart Monitor Maker Breached, Affecting 8,179,772 People – Names, Insurance Numbers, Birth Dates and More at Risk
A California-based heart monitor maker is warning more than eight million people that hackers stole their personal and health information. iRhythm Holdings says unauthorized individuals accessed and downloaded data from certain third-party-hosted business applications between June 3rd and June 8th.
Dextape brief
iRhythm Holdings, the San Francisco maker of the Zio heart monitor, is notifying more than eight million people that unauthorized parties obtained their personal and health data. The company says intruders reached and copied information in business applications hosted by third parties from June 3 to June 8, 2026.
The U.S. Department of Health and Human Services breach portal lists 8,179,772 affected people. Exposed data includes names, home locations, emails, telephone numbers, birth dates, account identifiers, device serial codes, insurance identifiers and service dates. Notifications began October 2. The company states it has no sign the data was used for identity theft and advises affected people to add fraud alerts or freezes to their credit files.
Why it matters: For crypto readers, the case shows how exposed health and identity details can be when third-party software holds them.
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