Ministry of Health loses 2 years and 10 months of Teams chat due to Toshiba's error, some data irretrievable.
[ITmedia News] 厚労省、Teamsチャット2年10カ月分が消失 東芝が作業ミス 一部は復元困難
The Ministry of Health, Labour and Welfare announced that chat messages from Microsoft Teams, sent between January 4, 2023, and October 29, 2025, have been lost due to an operational error by Toshiba, the company responsible for managing the system. Among the missing data, some administrative documents included in the chats are reportedly difficult to recover.
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