Murata Manufacturing: its network was accessed without authorization and some data on a file server may have been read

1. 2023-03-16

   It confirmed unauthorized access to its network by a third party. It limited external access, blocked the entry route and took other measures, and reported to the authorities. [1] [2]

2. 2023-04-27

   It announced that an internal investigation had found that some data on the file server may have been read illegally. [1] [2]

3. 2023-06-13

   It published a follow-up. A third party had accessed multiple file servers through an overseas subsidiary. No other business systems were accessed. No leak to outside has been confirmed, but the servers hold business information entrusted by partners and internal files, and affected partners are being contacted individually. [3] [4]

The content of the data that may have been read has not been disclosed. It is examining the range of impact with a security specialist firm and considering stronger information security and recurrence prevention. [1] [2]