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miyamoto-munashi-orders-2026 · Disclosed First disclosure unknown

M&Sフードサービス: unauthorized access and impact

Unauthorized access to the takeaway-ordering site was detected on July 29. Potential scope is up to 1,895 order records for 1,030 people; card payment data was not stored.

Supply chain / CICause unresolved / undisclosed

Outcome: Confirmed breach

Entry path and evidence

  • Reported fact

    Unauthorized access to the takeaway-ordering site was detected on July 29.

    [s1]§§1-4
  • Reported fact

    Potential scope is up to 1,895 order records for 1,030 people; card payment data was not stored.

    [s1]§§1-4

Timeline

  1. Unauthorized site access detected. [s1]

Reported response

  • Reported fact

    The site was suspended while the operator and vendor analyze logs.

    [s1]§§1-4

Evidence relevant to prevention

Insufficient evidence

Undisclosed entry or patch timing prevents an avoidability assessment. Inspect privileges, retrieval logs, retention and deployed configuration using the linked rules.

Editorial assessment; not a determination of liability. [s1]

Unknowns and AI involvement

AI involvementUnknown

The reviewed disclosures do not establish attacker use of AI.

The notice body does not state a publication date. An input-list or archive date is not substituted as a confirmed first-disclosure date.

Sources

  1. [s1] M&Sフードサービス · Primary source

    M&Sフードサービス：事故に関する公表資料 ↗

    Reviewed 2026-10-09