スカイマーク（採用問い合わせフォーム）Data breach / unauthorized access incident
- Occurred on
- March 1, 2016
- Announced on
- October 19, 2026
- Severity
- BIncidents centered on names and contact details.
- Scale
- 488 people
- Main impact
- From March 2016 to October 16, 2026, information for 488 recruitment inquiries was externally accessible due to misconfigured access restrictions. No actual viewing, leakage, or secondary damage has been confirmed.
- Information involved
- Email addressFull name
- Cause / key point
- Information was externally accessible due to misconfigured access restriction settings.
- Industry
- Transport & travel
- Listing / capital
- Listed company東証グロース 9204(スカイマーク)
- Last updated
- October 20, 2026
Stock price reaction to the disclosureスカイマーク / 東証グロース 9204
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Written & reviewed
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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Same industry
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Attack method classification: Misconfiguration & access-control gaps(Data left readable by anyone)
Read the Misconfiguration & access-control gaps guide and national trends →