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<blockquote data-quote="DDE_Server" data-source="post: 928648" data-attributes="member: 65727">it is&nbsp; different reason. after posting this question ,i found the instructor hit this point in the module video. the main reason is that forensic image software is specific imaging software which are doing &quot;Bit to Bit &quot; duplication which means copying all hard drive sectors including Bad sectors ,slack space&nbsp; and unused clusters to new shrink wrap or sanitized hard drive however backup solutions only copy live system files and user files to keep the output with in optimum size and take a backup in efficient and speed way.so for normal usage backup is good for rapid and efficient solution for consumer and business and Bit tp bit imaging is suitable for forensic analysis to male a duplication for the images which when it is hash is being calculated , it gives the same hash value of the original evidence which could be admissible in the court as an evidence.</blockquote>

[QUOTE="DDE_Server, post: 928648, member: 65727"] it is different reason. after posting this question ,i found the instructor hit this point in the module video. the main reason is that forensic image software is specific imaging software which are doing "[B]Bit to Bit[/B] " duplication which means copying all hard drive sectors including Bad sectors ,slack space and unused clusters to new shrink wrap or sanitized hard drive however backup solutions only copy live system files and user files to keep the output with in optimum size and take a backup in efficient and speed way.so for normal usage backup is good for rapid and efficient solution for consumer and business and Bit tp bit imaging is suitable for forensic analysis to male a duplication for the images which when it is hash is being calculated , it gives the same hash value of the original evidence which could be [B]admissible[/B] in the court as an evidence. [/QUOTE]

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