According to the company, it discovered that multiple work computers within its environment were infected with malware and disconnected them from the network.
Furthermore, Fujitsu said in an incident notification written in Japanse, the investigation into the attack has revealed that files containing personal information and customer information were likely stolen.
“After confirming the presence of malware, we immediately disconnected the affected business computers and took measures such as strengthening monitoring of other business computers,” a translation of the incident notification reads.