> JapanHacked_
[Investigating][Severity: Critical][Intrusion]

Iyaku Joho Net: unauthorized access to Asahi Kasei Therapeutics' Pharma DIGITAL site for healthcare professionals

On 2 October, Asahi Kasei Therapeutics was told by Iyaku Joho Net, which runs its Pharma DIGITAL information site for healthcare professionals and manages its data, that the member database behind the site had been accessed in a cyberattack, and took the site offline. Names, workplaces and their addresses, job types and specialties of up to about 514,000 healthcare professionals (about 44,000 with emails and more), plus names, emails and photos of about 700 employees, may have been viewed or taken.

Disclosed

2026-10-06

Organizations involved

2

Leaked or at risk

514K

514,000

Downtime

Unknown

Timeline

  1. Disclosed 2026-10-06
  2. 1 days

Attack or cause

Method
[Intrusion]
Impact
[Data leak][Service outage]
Entry point
Supplier

Data exposed or at risk

[Name][Employment][E-mail address]

Supply chain

Services hit

Organizations involved

Open in organization search

Sources

  1. [1][Official]医療従事者向け情報提供ウェブサイト「Pharma DIGITAL」への不正アクセスおよび個人情報漏えいの可能性についてAsahi Kasei Therapeutics · 2026-10-06