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NEC: subcontractor cyber-attack caused customer system outages and leak of files including personal data

NEC announced on October 20 that a development/maintenance subcontractor was attacked in late September, stolen credentials were abused, customer environments were accessed and files in a shared cloud storage—including personal data—leaked.

Zuletzt aktualisiert: 2026-11-09

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Personal-data details and counts will be reported to customers when known (count blank). Encrypted files also stopped customer systems. NEC says it is tightening subcontractor controls.

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2026-10-20Bekanntgegeben

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Per the notice, the organisation investigated and contained the incident, notified individuals and offered monitoring or protective resources.

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Be wary of emails, SMS or calls impersonating the organisation; do not open links or attachments or enter passwords or card details. Change reused passwords on other services.

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委託先への不正アクセスに起因するお客さまのシステム障害、情報漏えいに関するお詫び日本電気株式会社 · 2026-11-09

NEC: subcontractor cyber-attack caused customer system outages and leak of files including personal data

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Zeitlicher Ablauf

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