Data breach
Nihonomarunihonomaru.net
1 697 282 accounts exposed in a breach dated 2015-12-01.
Breached2015-12-01Added to HIBP2016-08-30 UTCUpdated by HIBP2016-08-30 UTCAccounts1 697 282Domainnihonomaru.net
Verified
What happened in Have I Been Pwned’s words
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.
Exposed data as HIBP classifies it
- Email addresses
- IP addresses
- Passwords
- Usernames
How HIBP qualifies it
- HIBP verified that the data came from this service.
Our report on nihonomaru.net
Source: Have I Been Pwned (CC BY 4.0)
Copied from HIBP 2026-11-05 03:50 UTC