A former momentary worker who was in control of operation and upkeep of a name heart system at a subsidiary of NTT West Japan illegally leaked about 9 million items of private info from native governments and firms, of which about 4 million items belonged to corporations in Okayama Prefecture. It turned out that it was buyer info. This is believed to be the most important variety of incidents, and the Okayama Prefectural Police Headquarters has begun an investigation on suspicion of violating the Unfair Competition Prevention Act.