2,900 Sanfrecce Hiroshima customer email addresses leaked
SpilloverSpillover from the Arara incident · View original incident →A total of 2,900 email addresses belonging to customers of Sanfrecce Hiroshima's official mobile site were leaked. The leak was caused by unauthorised access to contractor Arara, and the club apologised.
Key facts
- Affected organisation
- Sanfrecce Hiroshima
- Original incident
- Arara email service cyber-attack exposes 81.33 million email addresses
- Incident type
- Data breach
- Occurred / detected
- Not confirmed
- Scale of damage
- 2,900 customer email addresses
- Cause / method
- Unauthorised access to contractor Arara
- Location
- Japan
If your data was exposed
Exposed dataEmail
- Don’t tap links in texts, calls or emails that mention this incident and offer compensation, refunds or breach checks. Check directly on the organisation’s official website or app.
Timeline
- It emerged that unauthorised access to Arara had exposed 2,900 Sanfrecce Hiroshima customer email addresses and that the club had apologised.
- It emerged that the same unauthorised access to Arara had exposed 1,741 email addresses belonging to Honda's individual shareholders.
Original incident
This is spillover from the Arara incident.
Arara email service cyber-attack exposes 81.33 million email addresses
81.3mImpact: 81,329,467 email addresses and some customers' member information
Japan's Arara Message email delivery service was breached through a web server vulnerability, exposing email addresses and some customers' member information. Further investigation put the number of unique email addresses exposed at 81,329,467. The attacker also misused the service to send up to approximately 7.13 million emails impersonating credit card companies, and the company isolated the servers and suspended its email delivery service entirely.
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4 related reports
The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organisation’s official statements for accurate details.