スズキData breach / unauthorized access incident
- Occurred on
- Unconfirmed
- Announced on
- October 30, 2026
- Severity
- CLimited data such as email addresses and identifiers.
- Scale
- 2,575 records
- Main impact
- Up to 2575 email addresses registered on the press-related site may have been leaked due to unauthorized access to a connected external service. Information other than email addresses, such as names or addresses, is said not to have been included, and no secondary damage has been confirmed at this time.
- Information involved
- Email address
- Cause / key point
- Information may have been leaked due to unauthorized access by a third party to the linked external service.
- Industry
- Manufacturing
- Listing / capital
- Listed companyTSE Prime 7269
- Sources
- Last updated
- November 1, 2026
Stock price reaction to the disclosureスズキ / 東証プライム 7269
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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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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 →