Zilvia.net data breach: 287K accounts exposed
Severity: high · Patch status: no-fix-needed · Since 2025-12-01
In November 2025, data breached from the Zilvia.net Nissan 240SX Silvia and Z Fairlady car forum was leaked. The breach exposed 288k unique email addresses along with usernames, IP addresses and salted MD5 password hashes sourced from the vBulletin based platform. Attempts to contact Zilvia.net about the incident were unsuccessful. Exposed data: email addresses, ip addresses, passwords, usernames. The breach dates from Nov 6, 2025; Have I Been Pwned loaded it on Dec 1, 2025.
What to do
- If you had a Zilvia.net account, change its password and the password of any other account that reused it.
- Turn on multi-factor authentication wherever it is offered.
- Check whether your addresses are in this breach at https://haveibeenpwned.com.
- Expect targeted phishing that quotes the leaked details; verify any unexpected contact out of band.
Sources
All live incidents on Threat Watch