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Nihonomaru

Disclosed Aug 30, 201610 years ago1,697,282 accountsUnverified

In late 2015, the anime community known as Nihonomaru had their vBulletin forum hacked and 1.7 million accounts exposed. The compromised data included email and IP addresses, usernames and salted hashes of passwords.

What is known

People affected1,697,282 (accounts in the leaked data, per Have I Been Pwned)
DisclosedAug 30, 2016
HappenedDec 1, 2015
AttackHacking
Data exposedEmails, IP addresses, Passwords
SectorTech
StatusUnverified: not yet confirmed by an official notice, a filing or the organization
Check your emailHave I Been Pwned

Sources

Source
Have I Been Pwned: Nihonomaruhaveibeenpwned.com · Aggregator

Notices filed

WhereFiledPeople
Have I Been Pwnedaccounts in the dataAug 30, 20161,697,282
History of this record
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.

Everything about Nihonomaru

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