Time Differences/MAC Times

From: Lisa Dokes (securitylistsat_private)
Date: Tue May 06 2003 - 14:19:07 PDT

  • Next message: Kurt Seifried: "Re: Computer Forensics"

    Folks:  I'm currently conducting an investigation in relationship to alleged 
    inappropriate Internet activity.
    
    My initial results showed some very early (in the morning) access times, so 
    I cross validated with a few different tools.  There are a few questions I 
    have however that I'm hoping I can get some help with.  The system I'm 
    examining was used is in the same time zone as me.
    
    1. Does it matter that I'm extracting data created in a different time of 
    year?  For example, we are currently in Daylight savings time.  Some of the 
    data I’ve extracted was created during a period that would have been 
    Standard time.
    
    2. Shouldn't the MAC times still be what they were at the time the data was 
    created/accessed, or am I seeing an hour difference?
    
    3. If I'm seeing an hour difference, why?
    
    I'm rather puzzled by all of this.  I spoke with another examiner and he 
    succeeded in confusing me more.  Shouldn't the MAC times always be correct, 
    regardless of the time zone that the forensic examiner is in?
    
    Thanks in advance...
    
    Lisa
    
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