TOKYO (AP) — Japanese technology giant SoftBank Group Corp. is launching a service using OpenAI technology to protect against the looming threat of cyberattacks, both companies said Tuesday. Chief Executive Masayoshi Son called Japan’ s vulnerability to cyberattacks “a crisis,” comparing it to a potential assault by machine guns instead of the rifle shots of the past. SoftBank will offer “a patching service,” targeting the nation’s top 3,000 companies behind crucial like power it...