Japanese electricity giant apologises after physical drive with data of 10.9 million clients goes missing

• Japanese power giant reveals it lost drive containing data of millions of clients
• Drive was left in an apparently unlocked cabinet
• Nearly 11 million clients at risk, but no bank or card data was affected

A Japanese energy giant has apologised after losing a physical storage drive containing the data on millions of its clients.

Workers for Kyushu Electric Power Co. apparently mislaid the drive, which had been left in an unlocked cabinet, the company explained in an official announcement.

The drive allegedly contained information on up to 10.9 million accounts, including customer names, electricity usage data, and telephone numbers - although the company said no bank account information or credit card data was stored.

Going AWOL

One of Japan's biggest regional utilities, Kyushu Electric Power Company supplies electricity across the Kyushu region, which has an overall population of around 12.5 million people, and includes major prefectures such as...

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