Saturday, July 5, 2008

Erase the swap file at shutdown

You might be concerned about someone browsing your users? swap files and gathering up little bits of their sensitive data. A remote possibility, to be sure, but it could happen. For that extra measure of security, go to:

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\Memory Management

Set the ClearPageFileAtShutdown DWORD to 1. This will make shutdowns take longer, because it overwrites everything in the swap file with zeroes. Don?t turn this feature on unless you have a serious security threat.

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