Ministry of Foreign Affairs of Japan security incident history
Hacking, data breaches and other security incidents involving Ministry of Foreign Affairs of Japan, with related coverage.
Japan’s Foreign Ministry: possible leak of around 3,600 personal data records
3.6kImpact: Possible exposure of around 3,600 personal data records, including names and email addresses
A breach of the Japanese Foreign Ministry’s network for external communications may have exposed around 3,600 personal data records, including names and email addresses. Around 900 of these records relate to external contacts rather than employees. The unauthorised access was detected in July, and neither the classified communications network nor consular systems handling passports were targeted; no misuse of the information or subsequent harm has been confirmed.
Related reports: 9 · last report →Breach of diplomatic network between Japan's Foreign Ministry and embassy in China leaks documents
Impact: Diplomatic documents leaked; specific scale not determined
In 2020, the diplomatic communications network between Japan's Ministry of Foreign Affairs and the Japanese Embassy in China was breached and diplomatic documents were leaked. The attackers were believed to be Chinese hackers, and the specific content and volume of the leaked documents have not been determined.
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