Sysmex

Sysmex

Data Breach on February 05, 2026
Data Breach Report
Victimsysmex.co.jp
Claimed By0APT
Date DiscoveredFeb 05, 2026
DescriptionSysmex Corporation is a medical equipment company based in Japan that develops and manufactures in vitro diagnostic systems and healthcare solutions for clinical laboratories and hospitals worldwide.
Leak Size3.7TB

Credential Exposure for sysmex.co.jp

We've indexed 432 @sysmex.co.jp accounts from external breaches, plus 6 credentials for sysmex.co.jp itself.

Last checked Oct 4, 2026

@sysmex.co.jp addresses from external breaches
Third-party breaches374 accounts · across 69 breaches · 318 with a plaintext password · most recent Sep 30, 2024
Combo lists193 accounts · most recent Sep 23, 2026
Passwords for sysmex.co.jp accounts
Combo lists5 logins · most recent Oct 1, 2026
Infostealer logs3 logins · 2 infected devices · most recent Aug 28, 2026

Logins may belong to customers or to staff, and the data doesn't say which. None of this is necessarily connected to the ransomware attack above.

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