Confirmed

NHK: 32,940 information-system registrant emails leaked via misaddressed mail

On March 17, 2026 a vendor operator wrongly selected all information-system registrants for an approval mail so addresses were visible within each send group; NHK disclosed on March 18.

Last updated: 2026-11-09

Overview

32,940 registrants in total (15,199 staff, 9,188 group employees, 8,553 external). Count stores the published total 32,940. No secondary harm confirmed.

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. NHKの情報システム登録者へのメール誤送信について日本放送協会 · 2026-11-09

Related information

Share a report

No published information yet

Published information appears here.

Comments and replies

Write a comment

No account needed. Comments appear immediately.

Do not post private names, addresses, passwords, or codes. Automatic masking is limited; review your content before submitting.

Required fields are marked *.

After submitting the text, you can redact and attach images.

Loading the security check. You can submit once it is complete.