In August, the Ministry of Internal Affairs and Communications gave administrative guidance to the company to prevent recurrence of Internet communication failures that occurred at NTT West, and requested that the company report on the implementation status of measures by the end of October.

On August 25, 2018, NTT West experienced a failure in Internet communication using optical lines for nearly 6 hours in 30 prefectures, including Kansai, affecting up to about 2.11 million lines. I was.