Confirmed

Asahi Kasei Therapeutics: RA Connect vendor breach leaked patient, physician and staff data

As program sponsor, disclosed July 24 after contractor CMIC HCI’s system (intruded June 15, 2026) was found to have leaked program-related personal data. Same-batch related link to the CHI root to be appended after commit.

Last updated: 2026-11-09

Overview

Count subsets match the contractor notice (patients 30+216, physicians 1,535, employees 113+46) and are not summed (count blank).

Timeline

  1. Occurred
  2. Discovered
  3. Disclosed

Organization response

Per the notice, the organisation investigated and contained the incident, notified individuals and offered monitoring or protective resources.

What you can do

Be wary of emails, SMS or calls impersonating the organisation; do not open links or attachments or enter passwords or card details. Change reused passwords on other services.

Sources

  1. 患者様サポートプログラム「RAコネクト」における個人情報の漏えいに関するお詫びとご報告旭化成セラピューティクス株式会社 · 2026-11-09

Related information

cmic-hci-ra-connect-web-file-leak-2026

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