gex-ransomware-2026 · Disclosed 2026-02-06
ジェックス: unauthorized access and impact
Ransomware encrypted company server files; the entry route is undisclosed. 77,619 personal-information records and 1,360 name-only records may have been exposed; exfiltration has not been confirmed.
Outcome: Confirmed breach
Entry path and evidence
Timeline
Disclosure date established by the reviewed notice. [s1]
Reported response
- Reported fact
Affected servers were isolated; external investigation and migration to a new environment are underway.
Cause and mitigation hypotheses
Not assessed. Editorial hypotheses have not been added for this incident; this does not establish safety or a confirmed cause.
Evidence relevant to prevention
Insufficient evidence
Undisclosed entry or patch timing prevents an avoidability assessment. Inspect privileges, retrieval logs, retention and deployed configuration using the linked rules.
Editorial assessment; not a determination of liability. [s1]
Unknowns and AI involvement
The reviewed disclosures do not establish attacker use of AI.
Exact intrusion start, entry method and actual exfiltration remain unconfirmed.
Sources
[s1] ジェックス · Primary source
ジェックス：事故に関する公表資料 ↗Reviewed 2026-10-09
[s2] ジェックス · Primary source
ジェックス：事故に関する公表資料 ↗Reviewed 2026-10-09