SHINDO2

Keio University

Research participants52people

POSSIBLE LEAKFace or profile photo imagesLoss · Closed (final report)

Open in the live monitor ▶
Disclosed
Feb 18, 2026
Detected
Jan 2026
Detection to disclosure
48 days
Leak
Leak possible
Type
Loss
Status
Closed (final report)
Security spend
Not checked yet
Compensation
Not announced

What leaked

IdentityVideo data (image)

How many

  • Research participants 52 people

Who is affected

  • Participants in a body-motion measurement study

Cause

An SSD managed by a System Design Engineering lab went missing

Timeline

  1. Loss of a lab-managed SSD found
  2. First disclosure

Response

  • Change process
  • Staff training

Reviewed rules for taking out and storing personal data, and strengthened management rules and training

What you should do

  1. You can be affected without ever using this service (parcel recipients etc.). Check any notice you receive
  2. 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