SHINDO3

Hareruya

Hareruya Co., Ltd.

Lottery applicants28,490records

EXPOSEDPhone number / Full nameMisconfiguration · Contained

Open in the live monitor ▶
Disclosed
Jul 30, 2026
Leak
Exposed, access unknown
Type
Misconfiguration
Status
Contained
Security spend
Measures, no amount
Compensation
Compensation offered

What leaked

IdentityFull name
ContactEmail address, Phone number
Account dataMember ID
Transactions & activityStore applied to and lottery result

How many

  • Lottery applicants 28,490 records

Who is affected

  • Customers who entered a sales lottery

Cause

Configuration defects in a promotional lottery system let outsiders view customers' personal information through unintended operations

Timeline

  1. Exposure began
  2. Exposure ended
  3. Reported to authority
  4. First disclosure

Response

  • Access review
  • Config review
  • Change process
  • Governance / committee

Stronger access controls, security reviews, standardized approvals, mandatory checks before release and regular permission audits. 500 points granted to affected customers

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

Lessons for companies

  1. Two-person review and pre-release tests for sharing and cache changes; monitor cloud config (CSPM)
  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