Marutake
bd_78c27066465e6a45 · schema v1 · pii pii-v1
Full breach record for Marutake →Press / market disclosure — not a breach-notification filing
A media or market posting that confirms an incident but carries no breach-notification fields, so compliance clocks aren't assessable. The summary below is extracted from the coverage and machine-translated to English — verify against the source.
Summary
machine-translatedCyberattack on Marutake (pharmaceutical wholesaler) via ransomware affects medical institutions; investigation into potential personal data leak underway | Security News Security Countermeasures Lab. Marutake Co., Ltd.: Marutake Co., Ltd., a pharmaceutical wholesaler, has issued a third press release regarding the computer system outage caused by a ransomware attack resulting from unauthorized access. Although some operations remain disrupted, drug supplies in the Niigata, Tohoku, and Kanto regions continue through alternative measures. The company estimates that full system recovery will take several days and has not, at this stage, confirmed any external leakage of personal data. Linked ransomware group: thegentlemen.
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Apr 28, 2026
Press report
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Corroborated · see linked filings
Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.
Attack → press
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Compliance clock
Not assessable
Linked disclosures
Why this link?Ransomware claims (1)
- Leak Sitethegentlemenbd_d627269047f1337d2026-05-03 · +6dCandidate
Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.
Source ceiling
- incident type + narrative only (may be machine-translated)
- discovery date
- materiality
- affected count
- data types
- compliance clock
The ✕ fields stay blank until a regulatory filing or victim disclosure lands.
thegentlemen
According to ransomware.live, The Gentlemen is a RaaS group that emerged in July–August 2025, rapidly claiming over 320 victims across 17+ countries by offering affiliates a 90% revenue share, deploying a Go-based locker against Windows, Linux, NAS, and BSD systems; a compromised C2 server in 2026 revealed more than 1,570 linked victims.