Skip to content
JAENES
ALeak confirmedJuly 20, 2026 announced

SunoData 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
November 25, 2025
Announced on
July 20, 2026
Severity
AFinancial and HR records — information that easily translates into monetary damage.
Scale
55,282,226 records
Main impact
A leak has been confirmed and is reported to include 55,282,226 email addresses. Some records contain addresses, purchase information, and card last 4 digits, posing risks such as spam and impersonation.
Information involved
Email addressCard & payment dataPhone numberHome addressFull name
Cause / key point
Cause is under investigation.
Industry
IT & telecom
Listing / capital
Unlisted
Last updated
October 20, 2026
Email addressCard & payment dataPhone numberHome 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

Related incidents

Browse the database →

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

← Back to Breach Watch