A Japanese nuclear employee lost his work phone, containing sensitive information, during a holiday to China in a major security breach.

Authorities cannot say whether data was leaked from the device, which was lost at a Shanghai airport.

An employee of Japan's nuclear regulator lost his phone containing highly sensitive information in China while on a personal trip in November. The phone had the name and contact details of staff in ...

Add Yahoo as a preferred source to see more of our stories on Google. The worker lost the phone at an airport in Shanghai while on a personal trip [Getty Images] An employee at Japan's nuclear safety ...