Onamae

Oct 2026 · Graded Attested · Technology and Software · Beyond the filings

Incident summary

OnamaeOct 2026
Not yet quantified
AAttested
A hacker installed malware on more than 26,700 Onamae Desktop Cloud servers in a single incident, and Onamae shut every affected machine down within a day. The target, per Onamae, was credentials for trading and securities tools. The entry point goes unnamed. Twenty-six thousand servers falling at once points to a shared layer of control above them, one failure intersect dressed up as thousands of separate machines.
Technology and Software
Japan's Onamae Desktop Cloud hacked, up to 27,000 servers affected
Initial attack type not disclosed · Impact data theft inferred + operational outage

About this record

This incident is beyond the filings: attributed to a company statement, a regulator or court record, or a news report, and graded Attested or Inferred. Every figure links to the source it was read from; if we have read one wrong, tell us at info@hackerinahoodie.com. This index never sums figures across incidents. See the methodology.

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