Murata Electronics Data Breach: Social Security Numbers Exposed

Murata Electronics North America Inc., a subsidiary of Japanese electronic components manufacturer Murata Manufacturing Co. Ltd., disclosed a data breach that involved nearly a year of unauthorized access to its IT environment. A total of 331 people were impacted as a result of the incident.

An unauthorized third party gained access to Murata's IT environment over a period beginning in March 2025 and lasting nearly 12 months. Upon learning of the intrusion, the company blocked external access to its network.

Murata then engaged a specialized third-party cybersecurity firm to secure the environment and conduct a comprehensive forensic investigation. The investigation ran from March 1 through April 6, 2026.

The types of personal information that may have been exposed included full names, addresses, email addresses, Social Security numbers, citizenship and marital status, driver’s license and passport information, insurance policy information, health or medical condition related information, and financial account numbers

The breach was disclosed to the Indiana Attorney General and to the Massachusetts Office of Consumer Affairs and Business Regulation.

Murata Electronics' response to the breach

Murata is offering affected individuals 24 months of free identity monitoring services through Kroll, a global risk mitigation firm. The services include triple bureau credit monitoring, $1 million identity fraud loss reimbursement, fraud consultation and identity theft restoration.

Affected individuals can activate their monitoring services by visiting Kroll's enrollment page and entering the membership ID included in their notification letter.

Murata has also set up a dedicated toll-free call center at 844-403-4625, available Monday through Friday from 8 a.m. to 5:30 p.m. Central Time, to answer questions about the breach. Individuals may also reach the company through its online contact form.