Bulletin Board Notice re Current Status of Investigation on Virus Infections (4)

Mitsubishi Heavy Industries, Ltd.
MHI has investigated possible data leakage from the computers and servers that were suspected of being infected by a new type of virus. MHI has completed a thorough investigation into the matter involving nuclear power-related data, and has concluded that the incident led to no leaks of nuclear power-related data requiring protection.

The company will continue to investigate into the incident relating to its other product areas, and will cooperate further with the investigations under way by the police authorities.

Considering the importance of its products and technologies, the company has been implementing specific measures designed to ensure a high level of information security. Taking special notice of the latest incident, the company will pursue further strengthening of information security measures.