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Data breach

Unauthorized access to Arara exposes 85,565 Tokyo Gas customer email addresses

First reported · Last reported · 4 related reports

SpilloverSpillover from the Arara incident · View original incident →

Unauthorized access to Arara resulted in the leak of 85,565 email addresses belonging to Tokyo Gas customers. The impact on Tokyo Gas became known on November 12.

Key facts

Affected organization
Tokyo Gas
Original incident
Arara email service hack exposes 81.33 million email addresses
Incident type
Data breach
Occurred / detected
Not confirmed
Scale of damage
85,565 customer email addresses
Cause / method
Unauthorized access to Arara
Location
Japan

If your data was exposed

Exposed dataEmail

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Timeline

  1. It was revealed that unauthorized access to Arara had resulted in the leak of 85,565 Tokyo Gas customer email addresses.

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.