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Analyze » 株式会社バンダイナムコエンターテインメント Bandai Namco Entertainment(Japan) » BAN1783362277

Incident Score: Analysis & Impact (BAN1783362277)

The details regarding individual company incidents & reports gives you full view from every side.

Rankiteo Score Impact Analysis

Rankiteo Incident Impact-18
Company Score Before Incident753 / 1000
Company Score After Incident735 / 1000
Company LinkView 株式会社バンダイナムコエンターテインメント Bandai Namco Entertainment(Japan) Profile
INCIDENT NUMBERBAN1783362277
Type of Cyber IncidentCyber Attack
ATTACK VECTORServer Vulnerability Exploitation
DATA EXPOSEDNA
INCIDENT DATE31/10/2025
STATUSOngoing (as of June 2025 arrest)

Key Highlights From The Incident Analysis

  • Timeline of 株式会社バンダイナムコエンターテインメント Bandai Namco Entertainment(Japan)'s Cyber Attack and lateral movement inside company's environment.
  • Overview of affected data sets, including SSNs and PHI, and why they materially increase incident severity.
  • How Rankiteo’s incident engine converts technical details into a normalized incident score.
  • How this cyber incident impacts 株式会社バンダイナムコエンターテインメント Bandai Namco Entertainment(Japan) Rankiteo cyber scoring and cyber rating.
  • Rankiteo’s MITRE ATT&CK correlation analysis for this incident, with associated confidence level.

Full Incident Analysis Transcript

In this Rankiteo incident briefing, we review the 株式会社バンダイナムコエンターテインメント Bandai Namco Entertainment(Japan) breach identified under incident ID BAN1783362277.

The analysis begins with a detailed overview of 株式会社バンダイナムコエンターテインメント Bandai Namco Entertainment(Japan)'s information like the linkedin page: https://www.linkedin.com/company/bandainamcoent, the number of followers: 12756, the industry type: Computer Games and the number of employees: 245 employees

After the initial compromise, the video explains how Rankiteo's incident engine converts technical details into a normalized incident score. The incident score before the incident was 753 and after the incident was 735 with a difference of -18 which is could be a good indicator of the severity and impact of the incident.

In the next step of the video, we will analyze in more details the incident and the impact it had on 株式会社バンダイナムコエンターテインメント Bandai Namco Entertainment(Japan) and their customers.

Bandai Channel recently reported "Teen Arrested in Japan for Cyberattack on Anime Streaming Service", a noteworthy cybersecurity incident.

A 15-year-old high school student in Japan was arrested for exploiting a server vulnerability to fraudulently cancel over 46,000 user subscriptions on Bandai Channel, a popular anime streaming platform.

The disruption is felt across the environment, affecting Bandai Channel subscription system.

In response, moved swiftly to contain the threat with measures like IP address blocking, server repairs, and began remediation that includes Platform suspension, refunds issued.

The case underscores how Ongoing (as of June 2025 arrest).

Finally, we try to match the incident with the MITRE ATT&CK framework to see if there is any correlation between the incident and the MITRE ATT&CK framework.

The MITRE ATT&CK framework is a knowledge base of techniques and sub-techniques that are used to describe the tactics and procedures of cyber adversaries. It is a powerful tool for understanding the threat landscape and for developing effective defense strategies.

MITRE ATT&CK® Correlation Analysis

Rankiteo's analysis has identified several MITRE ATT&CK tactics and techniques associated with this incident, each with varying levels of confidence based on available evidence. Under the Initial Access tactic, the analysis identified Exploit Public-Facing Application (T1190) with high confidence (90%), supported by evidence indicating exploited a server vulnerability to fraudulently cancel over 46,000 user subscriptions. Under the Reconnaissance tactic, the analysis identified Active Scanning (T1595) with moderate to high confidence (80%), supported by evidence indicating identified the flaw by analyzing the service’s network traffic. Under the Execution tactic, the analysis identified Command and Scripting Interpreter (T1059) with moderate to high confidence (80%), supported by evidence indicating used ChatGPT to develop a malicious program that automated the attacks. Under the Impact tactic, the analysis identified Service Stop (T1489) with high confidence (90%), supported by evidence indicating forced the platform to suspend operations for over a month and Data Manipulation: Stored Data Manipulation (T1565.001) with moderate to high confidence (80%), supported by evidence indicating fraudulently cancel over 46,000 user subscriptions. Under the Defense Evasion tactic, the analysis identified Proxy (T1090) with moderate to high confidence (70%), supported by evidence indicating repeatedly changing his IP address after being blocked. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.

Initial Access
Exploit Public-Facing Application (90%)
Reconnaissance
Active Scanning (80%)
Execution
Command and Scripting Interpreter (80%)
Impact
Service Stop (90%)
Data Manipulation: Stored Data Manipulation (80%)
Defense Evasion
Proxy (70%)

Sources & References