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JAENES
ALeak confirmedOctober 13, 2026 announced

Fivot(IDARE)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 13, 2026
Severity
AFinancial and HR records — information that easily translates into monetary damage.
Scale
129,659 people
Main impact
The company announced that unauthorized access to IDARE resulted in the leakage of information of 129,659 people, including former members. Account balances and transaction histories were also affected, but passwords and full card numbers are reported not to have been leaked.
Information involved
Email addressUser / member IDCard & payment dataIdentity verification dataPhone numberHome addressFull nameDate of birth
Cause / key point
The company says the cause was unauthorized access exploiting a vulnerability in third-party software used for customer support and similar functions. At the time of the announcement it listed strengthening vulnerability and access-log monitoring, accepting external expert investigation, and improving information management as future measures.About Exploitation of vulnerabilities
Industry
Finance & insurance
Listing / capital
Unlisted
Last updated
October 20, 2026
Email addressUser / member IDCard & payment dataIdentity verification dataPhone numberHome addressFull nameDate of birthHow 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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