CybersecurityMasayoshi Son warns AI attacks could become a 'Black Ships' moment for JapanSoftBank Group CEO Masayoshi Son speaks during a launch event for the company's AI-powered cyber security service in Tokyo on June 16. (Photo by Kazuho Fujiwara)TSUBASA SURUGAJune 16, 2026 18:48 JSTTOKYO -- SoftBank Group announced on Tuesday that it will launch a cybersecurity service powered by OpenAI for Japanese enterprises, as it seeks to capitalize on growing demand for defense capabilities using AI.