A slew of cyberattacks hit Japanese companies in September, exposing the data of millions and prompting calls for security checks, as AI lowers hacking barriers (Sarah Hilton/Bloomberg)

Sarah Hilton / Bloomberg: A slew of cyberattacks hit Japanese companies in September, exposing the data of millions and prompting calls for security checks, as AI lowers hacking barriers — A cascade of cyberattacks has hit Japanese companies over the past few weeks, prompting the government to call…