2026 Asahi Kasei Therapeutics — Pharma DIGITAL vendor breach; ~514k HCPs + ~700 staff
Data compromised
Up to ~514,000 healthcare professionals: name, facility name/address, job type, specialty; ~44,000 also email. ~700 Asahi Kasei Therapeutics employees: name, email, photo. No payment cards or health/PHI stored per company notices.
Technical writeup
Verified company notices — Asahi Kasei Therapeutics and vendor Pharma Information Network (PIN) disclosed October 6, 2026 that attackers accessed the member database behind Pharma DIGITAL, the Japanese HCP information site for Asahi Kasei Therapeutics products. PIN detected the attack October 2 and reported it the same day; the site was shut down. Maximum exposure: about 514,000 healthcare professionals (name, workplace facility name/address, job type, specialty; about 44,000 also email) plus about 700 employees (name, email, photo). Companies state payment card data and sensitive health information were not stored. Intrusion route closed; authorities notified; investigation with outside experts ongoing. Access vector and whether data was confirmed exfiltrated vs possibly viewed not published. recordsAffected 514700 ≈ 514k HCPs + 700 staff.
Root cause
Cyberattack on Pharma DIGITAL member database operated by vendor Pharma Information Network (PIN); detected Oct 2 2026