Confirmed

NICT: voice files of 115 speakers leaked via mispublished speech corpus

A research speech corpus published on March 12, 2026 wrongly included 115 out-of-scope voice-check files found on March 13; disclosed March 19.

Last updated: 2026-11-09

Overview

115 speakers. Personal data limited to speaker names/call-signs; no addresses, contacts or birth dates. Up to 12 accesses possible.

Timeline

  1. Occurred
  2. Discovered
  3. Disclosed

Organization response

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

What you can do

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.

Sources

  1. 音声コーパスの誤った公開による情報漏えいとその対応に関するお知らせ(第1報)国立研究開発法人情報通信研究機構 · 2026-11-09
  2. 音声コーパスの誤った公開による情報漏えいとその対応に関するお知らせ(第3報)国立研究開発法人情報通信研究機構 · 2026-11-09

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