Skip to content
JAENES
ALeak confirmedOctober 19, 2026 announced

JETRO（Webサイト）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
October 14, 2026
Announced on
October 19, 2026
Severity
AFinancial and HR records — information that easily translates into monetary damage.
Scale
743 records
Main impact
Unauthorized access to part of JETRO's website resulted in the confirmed leakage of 743 personal information records, including company names and contact persons' email addresses; notifications to the affected companies have been completed.
Information involved
Email address
Cause / key point
Believed to be caused by unauthorized access to the website.
Industry
Government & municipal
Listing / capital
Government / public body
Sources
Last updated
October 20, 2026
Email addressHow 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

Related incidents

Browse the database →

Incidents sharing the same company, service, attack method or industry (grouped automatically from the disclosures).

Same attack method

Same industry

Attack method classification: Unauthorized access (method undisclosed)(Breached, but the technique was not identified or disclosed)

Read the Unauthorized access (method undisclosed) guide and national trends →

← Back to Breach Watch