🇯🇵💥Japan DDoS Cases 2025

Introduction to Japan's DDoS Cases in 2025 Since the beginning of 2025, major corporations and public institutions in Japan have been repeatedly targeted by Distributed Denial-of-Service (DDoS) attacks. This course presents three notable cases—NTT Docomo, the Japan Meteorological Association (tenki.jp), and the Resona Bank Group—to provide an in-depth analysis of the impact of DDoS attacks, the attack methods used, and how organizations have responded. By examining these real-world Japanese cases, participants will gain a clear understanding of the reality of DDoS attacks and learn effective defense strategies to mitigate future threats.

Course Description:
This course explores the latest domestic DDoS attack cases from 2025, providing an in-depth understanding of DDoS attack mechanisms, their impacts, and the countermeasures organizations can take.

Course Content:

  1. NTT Docomo DDoS Case
    1. Overview of the attack that occurred on January 2, 2025
    2. Affected services and recovery status
    3. Docomo’s response and future countermeasures
  2. Japan Meteorological Association (tenki.jp) DDoS Case
    1. Details of the attacks that occurred between January 9 and 15, 2025
    2. The impact of the DDoS attack and its effects on users
    3. Collaboration with the Metropolitan Police Department and security enhancements
  3. Resona Bank Group DDoS Case
    1. Overview of the attack that occurred on January 7, 2025
    2. DDoS attack risks in financial institutions
    3. Strengthening monitoring systems and preventive measures