「Copilot」を悪用してユーザーデータを盗み取る「Reprompt」攻撃

Microsoft
Security
「Copilot」を悪用してユーザーデータを盗み取る「Reprompt」攻撃 ワンクリックで実行でき、「Microsoft Copilot」のセキュリティ制御を回避してユーザーデータの不正取得を可能にする新たな攻撃手法が、研究者らによって明らかになった。
  2026/01/15      japan.zdnet.com
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