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クラウドが不正アクセス受け個人情報流出　マイナビ、ユーザー情報7万件など - ITmedia NEWS

https://www.itmedia.co.jp/news/articles/2604/02/news075.html
April 2, 2026 at 11:44 AM JSTThe archive page, viewer, and downloads use this saved version.
April 2, 2026 at 11:44 AM JST·www.itmedia.co.jp

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クラウドが不正アクセス受け個人情報流出　マイナビ、ユーザー情報7万件など - ITmedia NEWS

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Original URLhttps://www.itmedia.co.jp/news/articles/2604/02/news075.html
StartedApril 2, 2026 at 11:44 AM JST

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This page reports that Mynavi disclosed a data breach affecting approximately 110,000 personal records due to unauthorized access to its cloud service. The leaked information includes about 74,000 individual user records, 21,600 corporate contact details, and 15,700 employee records containing names, email addresses, and postal addresses. The company detected anomalies in December 2025 and confirmed the breach in January 2026. Mynavi plans to strengthen monitoring systems and standardize operational rules to prevent future incidents.

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