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Incidents on Aug 27, 2026

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

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Incidents on Aug 27, 2026
DateTargetSummaryClassificationSource links
LEAK-092Zurich Insurance Company LtdC Up to 1,668 peopleA vulnerability was found in Z-Dash, a system for uploading dashcam data, and it had been accessed without authorization on April 1 and 6, 2026. Case numbers, names and email addresses of up to 1,668 customers may have leaked.
Unauthorized access & data leakPossibleOfficial statement
LEAK-057TsunaguD 157 recordsOn the corporate website, an administrator account was created illicitly and a backdoor and other malicious programs were installed, and leakage of 157 contact form submissions (names, email addresses, addresses, phone numbers, etc.) cannot be ruled out. The initial intrusion route has not been identified.
Unauthorized access & data leakPossibleOfficial statement
LEAK-055CINRA, Inc. "CINRA JOB"On August 18, 2026, credentials for the cloud environment were obtained by a third party, who accessed the member database and its backups. Because no records exist to confirm whether data was viewed or taken, the company says the personal information of members, including former members, may have been leaked.
Unauthorized access & data leakPossibleOfficial statement
LEAK-12501BankOn August 17, 2026, unauthorized third-party access to its systems was detected, and it was confirmed that customer identifiers used by the system and email addresses were stolen and leaked. The leak covers up to 100 companies, and the affected customers have not been identified.
Unauthorized access & data leakConfirmedOfficial statement
Incidents on Aug 27, 2026