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NI

Nihonomaru

High

Nihonomaru's vBulletin forum was breached in 2015, exposing 1.7M user records.

Records exposed
1,697,282 records
Breach date
Breach Dec 1, 2015
Last update
Updated Aug 30, 2016

What data was exposed?

Fields reported as compromised in this breach record.

Email addressesIP addressesPasswordsUsernames

Why does this breach matter?

In-depth analysis of the breach and its implications.

In December 2015, the anime-focused community Nihonomaru experienced a security breach impacting its vBulletin forum's database. Unauthorized parties compromised approximately 1,700,000 user accounts, exposing sensitive information such as email addresses, IP addresses, usernames, and salted password hashes.

Impact Analysis

Understanding the scope and consequences of this breach.

User Impact
Exposed credentials could enable unauthorized access to accounts and increase phishing risk.
Business Impact
Reduced user trust and potential financial losses due to required security enhancements and legal obligations.
Affected Sectors
  • Entertainment
  • Forums
Geographic Impact
  • Global

What You Should Do

Recommended actions to take in response to this breach.

If You Were Affected

  • Change passwords immediately, especially if reused on other sites.
  • Enable two-factor authentication where applicable.
  • Monitor accounts and communications for abnormal activity.

Preventive Measures

  • Use unique, strong passwords for each service.
  • Consider identity protection tools to detect misuse of personal data.
  • Educate on recognizing phishing attempts that leverage breached data.

Frequently Asked Questions

Common questions about this breach and what it means for you.

Email addresses, IP addresses, usernames, and salted password hashes of user accounts.