Murata Manufacturing Co., Ltd., the parent company of Murata Electronics North America, confirmed unauthorized access to its IT environment starting around March 2025 and lasting approximately 12 months. The company secured its systems after discovery between March 1 and April 6, 2026. Official notices were issued by the parent company, with individual notifications planned for affected customers and partners.
Confirmed data types involved in this incident include full names, dates of birth, gender, addresses, contact details, Social Security numbers, driver's licenses, government IDs, and bank account details. Health status and medical records were also exposed, along with various business-related and financial data. The incident affected approximately 73,000 employees, family members, and former employees, and 15,000 external parties including customers, suppliers, and stakeholders. While a disclosure was made to Massachusetts regulators, a precise US-specific count of affected individuals has not been publicly provided.
Details about data breaches can emerge over time, and notification processes may be delayed.