13M+ Emails Sent in Tech Support Scam Targeting Users, Organizations in Japan

July 23, 2026 · Malwarebytes · Severity: MEDIUM

A recent tech support scam campaign has targeted users and organizations in Japan, with over 13 million phishing emails sent to potential victims. The emails impersonate legitimate tech support services, claiming recipients need urgent assistance to resolve issues with their devices or accounts. The attackers aim to trick users into providing sensitive information, such as login credentials or financial details, which can be exploited for fraud or further cyberattacks. The campaign highlights the ongoing threat of social engineering tactics in phishing schemes, particularly those masquerading as trusted entities. The scam primarily affects individuals and businesses in Japan, but its methods could easily be adapted for other regions. This incident underscores the importance of cybersecurity awareness and vigilance, as phishing remains one of the most common and effective attack vectors. Organizations like Malwarebytes emphasize the need for robust security measures, such as AI-powered scam detection tools, to mitigate risks. Users are advised to verify the authenticity of unsolicited support requests and avoid clicking on suspicious links or providing personal information to unknown sources.