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JAENES
BLeak confirmedOctober 2, 2026 announced

沖縄県立芸術大学Data breach / unauthorized access incident

笹尾 祐太朗の写真Reviewed by Yutaro SasaoWritten by Leak Watch editorial team published ・ updated
Occurred on
Unconfirmed
Announced on
October 2, 2026
Severity
BIncidents centered on names and contact details.
Scale
207 people
Main impact
Due to an erroneously sent email announcing a commemorative concert, the email addresses and some names of 207 applicants were displayed to other recipients.
Information involved
Email addressFull name
Cause / key point
The university explained the error was caused by a sending configuration mistake in which addresses that should have been Bcc were entered in the To field.
Industry
Education
Listing / capital
Government / public body

A prefectural public university

Sources
Last updated
October 20, 2026
Email addressFull nameHow severity is assessed →

Is this incident worth paying attention to?

Written & reviewed

笹尾 祐太朗の写真

Reviewed byYutaro SasaoFounder & CEO, MediaLeap Inc.

CEO of MediaLeap Inc. Working on both sides of web advertising and web media since 2013; founded the company in May 2025.

Review scope: cross-checking against primary sources (official and government announcements), verifying claims stay within the facts, and checking source attribution。Last reviewed:

Written by:Leak Watch editorial team (AI-assisted drafts verified against sources by the editorial team) · Reviewer profile · Request a correction

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Attack method classification: Misdirected sending & disclosure (human error)(Leaks caused by wrong recipients or exposure settings)

Read the Misdirected sending & disclosure (human error) guide and national trends →

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