SHINDO6

Murauchi.com

murauchi.com Corporation

murauchi.com

Customer records7.7Mrecords

LEAK CONFIRMEDPostal address / Date of birthUnauthorized access · Contained

Open in the live monitor ▶
Disclosed
Jul 24, 2026
Detected
Jul 16, 2026
Detection to disclosure
8 days
Leak
Leak confirmed
Type
Unauthorized access
Status
Contained
Security spend
Measures, no amount
Compensation
Not announced
Corporate number
6010101006625

What leaked

IdentityFull name, Date of birth, Gender
ContactAddress, Phone number, Email address

How many

  • Customer records 7.7M records

Who is affected

  • Customers

Cause

Unauthorized access exploiting a vulnerability in part of the web system; intrusions into multiple systems were later found

Timeline

  1. Intrusion began
  2. Detected
  3. Reported to authority
  4. Reported to authority
  5. First disclosure
  6. Reported to authority
  7. Update published
  8. Individuals notified

Response

  • Forensic investigation
  • More monitoring
  • New detection
  • Vulnerability testing
  • Access review
  • Governance / committee

Safety checks of related systems, stronger vulnerability assessments, review of access-privilege management, stronger monitoring and detection

What you should do

  1. Don't open links in emails from this company. The apology email itself may be fake
  2. Treat refund or apology calls and texts as scams. Call back only on the number from the official site
  3. Watch for unexpected mail or invoices; your address is hard to change
  4. Check the company's notice to see if you're affected

Lessons for companies

  1. Patch internet-facing servers, VPNs and admin panels first. Exploits follow disclosure within days
  2. Report to the PPC: preliminary in 3–5 days, final in 30 (60 if malicious)
  3. Run red teaming and AI-assisted hardening, and publish how much you invest

Sources