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Incidents on Oct 18, 2026

Publication date: Dates are source publication dates (JST), not occurrence dates.

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Incidents on Oct 18, 2026
DateTargetSummaryClassificationSource links
LEAK-317Ashikaga City funeral hall reservation systemC About 8,800 recordsOn October 18, Ashikaga City disclosed unauthorized access discovered by contractor Business Tec on October 15. About 8,800 funeral hall reservation records since December 2022, including deceased persons' names, birth dates, addresses and sex, and applicants' names, addresses and telephone numbers, may have been exposed. Information relating to 56 registered funeral companies was also potentially affected. Exfiltration is unconfirmed; the system was suspended and telephone booking substituted.
Unauthorized access & data leakPossibleOfficial statement
LEAK-492Business Tech Co., Ltd. / funeral hall reservation systemC About 8,800 peopleBusiness Tech Co., Ltd. announced that unauthorized access from external sources was confirmed on its funeral hall reservation system, and there is a possibility that some personal information has been leaked. The unauthorized access was confirmed on October 15, 2026, and approximately 8,800 people may have had their personal information exposed. The system is currently halted, and an investigation is underway.
Unauthorized access & data leakPossibleOfficial statement
LEAK-305THE CLUB golf village "Studio website forms"D 994 recordsUnauthorized access by a third party to the operational infrastructure Studio of the official website may have resulted in the leakage of information from 994 records, including inquiries, membership request forms, inspection play applications, and membership review form submissions. The affected period was from January 1, 2024, to October 16, 2026. The information included names, affiliated organizations, phone numbers, email addresses, and form input details, but it has not been confirmed that a third party actually obtained this information.
Unauthorized access & data leakPossibleOfficial statement
LEAK-297Japan Football Association "JFA Passport"JFA reported on October 18 that its official JFA Passport app had faced unauthorized access attempts on October 17 and temporarily stopped some functionality. The October 21 second report stated that no personal-data leakage caused by the incident had been confirmed, nor impact on related JFA systems. The detected attack attempt is not evidence of confirmed personal-data exfiltration.
Unauthorized access & data leakConfirmedOfficial statement
LEAK-298Shibuya Animal Medical Center (Studio website forms)On 18 October 2026, Shibuya Animal Medical Center disclosed potential exposure of information submitted through its website's contact, grooming and recruitment forms following unauthorized access to Studio's cloud infrastructure. Names, emails, telephone numbers, animal names, ages and symptoms and submission contents may be affected. Actual exfiltration and the number of records remain unconfirmed.
Unauthorized access & data leakPossibleOfficial statement
LEAK-306SIGQ corporate site and Incident Lake service site "Corporate and Incident Lake inquiry form"Due to unauthorized access to the web production service Studio, there is a possibility that the inquiry form submission information from SIGQ's corporate site and Incident Lake service site was leaked. The information potentially affected includes names, email addresses, company and department, phone numbers, and inquiry content. No actual acquisition or secondary damage has been confirmed, and it has been announced that there is no impact on the Incident Lake product infrastructure or customer data. The number of affected records has not been disclosed.
Unauthorized access & data leakPossibleOfficial statement
LEAK-666Kanagawa PrefectureKanagawa Prefecture announced administrative actions against violators of the Food Sanitation Act. The announcement, made under Article 69 of the Food Sanitation Act, disclosed the names of the violators, excluding those from Yokohama City, Kawasaki City, Sagamihara City, Yokosuka City, Fujisawa City, and Chigasaki City. No security incident details were confirmed.
Unauthorized access & data leakUnverified reportOfficial statement
Incidents on Oct 18, 2026