In data security, the transmission of data to unauthorized users by processes with legitimate access to data. A compiler, for example, could leak a proprietary program whilst it is being compiled. 在數據保密學中,通過合法訪問數據的進程將數據傳輸給未授權的用戶的過程。例如,編譯程序在編譯期間便可能泄漏專用程序。