The attacker demanded about JPY 8 billion. GMO says no link to ARTEX has been established.
Confirmed victims
- GMO Internet (Onamae Desktop Cloud)
Attribution
- ARTEX basis
- GMO says a link between Artex and the Onamae incident has not been publicly confirmed. Reports put the two together because they are close in time.
- Actor
- Not named.
- Same attacker?
- Not confirmed.
Figures and definitions
| Impact | Up to 26,739 servers (BleepingComputer); about 27,000 (GMO) |
|---|---|
| Ransomware | AP-affiliated reports say deployed; BleepingComputer says not activated; TechNode says no traces found |
Related events
Sources (2)
- 2026-10 Media BleepingComputer Japan's Onamae Desktop Cloud hacked, up to 27,000 servers affected
- 2026-11 Media TechNode Global Onamae Desktop Cloud 事件报道