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Kuse Web App Abused to Host Phishing Document

April 29, 2026 · Trend Micro · Severity: HIGH

Bad actors took advantage of the legitimate name and services of Kuse, a popular AI-based app designed for workplaces. The attackers exploited the users’ trust in Kuse to carry out a phishing attack.

Key Takeaways

  • Bad actors abused the legitimate Kuse workplace AI app to host phishing documents.
  • The attackers exploited user trust in the popular AI-based app for workplaces.
  • The campaign leverages Kuse's legitimate name and services to carry out phishing.
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