SHINDO3

Bell SSI

Bell Small Amount and Short Term Insurance Co., Ltd.

Personal data5,584records

POSSIBLE LEAKUnauthorized access · Investigating

Open in the live monitor ▶
Disclosed
Apr 7, 2025
Detected
Apr 2, 2025
Detection to disclosure
5 days
Leak
Leak possible
Type
Unauthorized access
Status
Investigating
Security spend
Not checked yet
Compensation
Not announced

What leaked

UnspecifiedPersonal data stored on the company's server

Not leaked

  • No sensitive personal data and no data that could cause financial loss

How many

  • Personal data records stored on the company's server 5,584 records

Who is affected

  • Customers

Cause

A network used for the company's services was breached by a third party

Timeline

  1. Date the breach was found
  2. Date of the Security NEXT report

Response

  • Blocked the entry point
  • Forensic investigation

Blocked outside access and is investigating with outside help

What you should do

  1. Check the company's notice to see if you're affected

Lessons for companies

  1. Report to the PPC: preliminary in 3–5 days, final in 30 (60 if malicious)
  2. Run red teaming and AI-assisted hardening, and publish how much you invest

Sources