AI-armed hackers tear through corporate Japan’s neglected defences

Japanese companies have faced a growing wave of cyberattacks in recent weeks, exposing millions of customers’ records as analysts warn that artificial intelligence is helping hackers exploit long-standing security weaknesses and overcome language barriers that once offered some protection. More than 500 breaches of corporate systems were reported in the year to this month, surpassing the total for all of 2025, the Yomiuri newspaper reported last week. On October 7, a ransomware attack on IDC...