Masimo Corporation Data Breach – Class Action Investigation
Chimicles Schwartz Kriner & Donaldson-Smith is actively investigating a potential class action relating to a data breach incident involving Masimo Corporation. This California-based medical technology company provides a wide range of monitoring technologies, medical devices, and sensors. The Company reported details about the cyberattack in a Form 8-K filed with the SEC on May 6, 2025.
What Happened at Masimo Corporation?
On or around April 27, 2025, Masimo Corporation detected unauthorized activity on its on-premise network. Further internal investigation revealed that a cyberattack had occurred, resulting in the theft of approximately 61 MB of personally identifiable information. Masimo has indicated that the breach impacted its manufacturing facilities. A threat actor has claimed responsibility for the attack and has reportedly posted a sample of the stolen data online.
Details about the approximate number of people affected and the types of personally identifiable information exposed are still unknown pending further internal investigation.
Why is it Important to You?
The data breach, if confirmed, could have severe implications for the affected individuals, leading to potential identity theft, financial fraud, and other related harms.
If you believe your personal information may have been compromised as a result of this breach, please contact one of our data breach attorneys by filling out the form provided below.
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