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Data breach

Up to 22,541 KDDI customer records may have leaked

First reported · Last reported · 4 related reports

SpilloverSpillover from the Lifenet Insurance incident · View original incident →

Unauthorized access to Lifenet Insurance's system linked to KDDI led to the confirmed possibility that up to 22,541 KDDI customer records leaked. The data concerned includes names, postal codes, phone numbers, email addresses and member IDs, plus gender and date of birth for some customers. The two companies blocked the access route and suspended some functions, such as accepting applications for au Life Insurance.

Key facts

Affected organization
KDDI
Original incident
KDDI customer data may have leaked through Lifenet Insurance system
Incident type
Data breach
Occurred / detected
Not confirmed
Scale of damage
Possible leak of up to 22,541 customer records
Cause / method
Unauthorized access exploiting a vulnerability in Lifenet Insurance's system linked to KDDI
Location
Japan

If your data was exposed

Exposed dataNamePhone numberEmailDate of birth

  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. The possible leak of up to 22,541 KDDI customer records was announced, and the two companies blocked the access route and suspended some au Life Insurance functions.
  2. It was reported that the data that may have leaked includes customer names, contact details and member IDs, and that some functions, such as accepting applications, remain suspended.

Original incident

This is spillover from the Lifenet Insurance incident.

4 related reports

  • Data breachKDDI

    Japan's KDDI Hack Leaks Data of More Than 12 Million People

    12MImpact: More than 12 million people affected; up to 12.23 million email addresses and 7.61 million passwords leaked

    The email system of Japanese telecom operator KDDI was hacked, affecting more than 12 million people whose personal data was leaked. Initially, the possible leak of up to 14.22 million customer records was raised, and later the scale of the leak was reported as up to 12.23 million email addresses and 7.61 million passwords. Vulnerabilities in a partner's software and in the internet service delivery system were identified as the starting point of the attack.

    Related reports: 7 · last report →

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.