How to clear the cache files in folder Temporary Internet Files

When one user opens files such as pdf. or doc. from Portal, the same file will be downloaded into the Temporary Internet Files folder. if another user copied the files out of the Temporary Internet Files folder from this computer and save to someplace else, then we face one security problem.
So my question is: How to clear the cache files in folder Temporary Internet Files?? Can we delete the files automatically when close the files in Portal??
or is there some ways to make encrypty???
Thanks very much!

Hello,
this is a basical security problem which should be resolved by the OS standard security setup . No other user should have access to the temporary file folders in the personal directory. The user account must be secure. Normaly your security problem should not be a problem if basic security exists on the clients.
You can resolve this problem if every user has his own account on the client
The users having no administration permissions on the clients
The folder for the temporary internet files is placed in the personal profile folder of the user account.
On default no other user has access rights to you personal folder, this means the client OS is setup correctly.
You can setup the IE that no temporary files are saved (but it reduces performance)
You can enable IE to delete automaticly the temporary files if IE is closed.
Hope it helps.
Regards
Alex

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