TOKYO, June 18 : Japanese lenders may be forced to suspend services such as ATMs and online banking if sophisticated AI models end up posing a serious threat to the banking system, said the chair of the country's banking lobby. Frontier AI systems, such as Anthropic's Mythos, can quickly identify vulnerabilities in software systems, sparking much concern about the potential for a barrage of cyberattacks. "There are concerns about an increase in sophisticated cyberattacks that go beyond what has