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Data breach

2,900 Sanfrecce Hiroshima customer email addresses leaked

First reported · Last reported · 4 related reports

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 resulted from unauthorized access to contractor Arara, and the club apologized.

Key facts

Affected organization
Sanfrecce Hiroshima
Original incident
Arara email service hack exposes 81.33 million email addresses
Incident type
Data breach
Occurred / detected
Not confirmed
Scale of damage
2,900 customer email addresses
Cause / method
Unauthorized access to contractor Arara
Location
Japan

If your data was exposed

Exposed dataEmail

  1. Don’t tap links in texts, calls or emails that mention this incident and offer compensation, refunds or breach checks. Check directly on the organization’s official website or app.

Timeline

  1. It emerged that unauthorized access to Arara had exposed 2,900 Sanfrecce Hiroshima customer email addresses and that the club had apologized.
  2. It emerged that the same unauthorized access to Arara had exposed 1,741 email addresses belonging to Honda's individual shareholders.

Original incident

This is spillover from the Arara incident.

  • Data breachAraraKnock-on victims: 25

    Arara email service hack 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 abused the service to send up to approximately 7.13 million emails impersonating credit card companies, and the company isolated the servers and completely suspended its email delivery service.

    Related reports: 20 · last report →

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 organization’s official statements for accurate details.