Rogiken / institute of Science Tokyo
bd_49a0a7292d7a1863 · schema v1 · pii pii-v1
Full breach record for Rogiken / institute of Science Tokyo →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Coinbasecartel on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.
Source: Ransomware.live
Post text · scraped from the leak site
Rogiken is a research organization affiliated with the Institute of Science Tokyo, a Japanese national university formed through the merger of Tokyo Institute of Technology and Tokyo Medical and Dental University. It operates in Japan within the academic and scientific research sector, focusing on advanced engineering, natural sciences, and interdisciplinary studies. The institute supports innovation, technology development, and collaboration between academia and industry.
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Apr 15, 2026
Claim posted
—
No filing yet · watching
Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.
Claim → filing
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Compliance clock
Not assessable
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.
No regulatory filing corroborates this yet — it is the attacker's own assertion. Watch this entity to be notified the moment a filing corroborates or contradicts it.
Source ceiling
- actor name
- victim claim
- ransom/leak status
- discovery date
- materiality
- notification
- affected count
- confirmed data types
- compliance clock
The ✕ fields stay blank until a regulatory filing or victim disclosure lands.
coinbasecartel
According to ransomware.live, CoinbaseCartel specializes in data acquisition through system access and strategic partnerships. It focus exclusively on data exfiltration—our operations never involve system encryption or operational disruption.