Japan has a large number of Forbes Global 2000 corporations--more than the UK, Germany, and France combined. Despite this economic strength, Japan faces an alarming and growing threat from phishing attacks, which is much worse than previously assumed. According to findings by Mailsuite , Japan is frequently targeted by phishers, particularly impersonating its major brands. Telecom firm au by KDDI, for instance, has been exploited in 18,964 phishing scams since January 2020. Another frequently impersonated brand is the Japanese payment service JCB, which has been used in 14,907 phishing scams. Japanese specialists confirm that these findings align with other research by Cloudflare and Vade. KDDI's cell phone service name, "au," is often abused due to its similarity to the Australian ccTLD, fooling many into thinking phishing emails are legitimate. Moreover, other major brands like train company JR East and retail franchise Aeon have also seen over 10,000 verified phi