Windows 2000 Encrypting File System Security

From: Microsoft Product Security Response Team (secureat_private)
Date: Thu Jul 29 1999 - 08:25:27 PDT

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    There has been a great deal of discussion regarding a paper that recently
    was released, discussing purported vulnerabilities in the Encrypting File
    System for Windows 2000.  However, after analyzing the attack scenarios,
    we've found that they rely on the EFS Recovery Agent having made a critical
    error -- the EFS Recovery Key must be left on the machine, contrary to the
    recommendations in the documentation.  If the recommended security practices
    are followed, the attack fails and EFS data remains secure.  We have posted
    a more detailed discussion of the subject at
    http://www.microsoft.com/security/bulletins/win2kefs.asp.
    
    Regards,
    
    Secureat_private
    



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