Incidents on Aug 24, 2026

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

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Incidents on Aug 24, 2026
DateTargetSummaryClassificationSource links
LEAK-014KDDI Web Communications 'CPI'S 1,250,543 recordsUnauthorized access to the KDDI mail system leaked 1,250,543 mail account records of the CPI rental server service. For the Business Standard and KWC Mail plans, passwords were also affected.
Supply chainConfirmedOfficial statement
LEAK-053Nihon Business Data Processing CenterUnauthorized access to the company's systems was confirmed at 11:53 on August 20, 2026, and the internal network was cut off. The cause and scope are being investigated with an external specialist, and the notice does not state whether any information was leaked.
Unauthorized access & data leakUnder investigationOfficial statement
LEAK-091All Nippon Airways Trading Co., Ltd. (Eraberu e-GIFT)The management system of the corporate digital gift service Eraberu e-GIFT was accessed without authorization on August 11-12, 2026, and part of contract company contacts' names and email addresses may have leaked. Unauthorized gift exchanges were also confirmed.
Unauthorized access & data leakPossibleOfficial statement
Incidents on Aug 24, 2026