By disabling Memory Dumps it's no longer possible to recover the dump file and extract secure data that is held in memory in the clear.
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<# .Synopsis Disables Windows Memory Dumps
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.Description
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Disabled Memory Dump to prevent extracting cleat text passwords using WinDbg
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0 = None 1 = Complete Memory Dump 2 = Kernel Memory Dump 3 = Small Memory Dump 7 = Automatic Memory Dump (Default)
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.Version
#>
Set-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Control\CrashControl' -name CrashDumpEnabled -Value 0 -Force
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