February 2026
Intermediate to advanced
456 pages
17h 3m
English
Content preview from Digital Forensics, Investigation, and Response 5E, 5th Edition
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The $I30 Attribute
The NTFS file system maintains an index of all files/directories that belong to a directory called the $I30 attribute. Every directory in the file system contains a $I30 attribute that must be maintained whenever there are changes to the directory’s contents. When files or folders are removed from the directory, the $I30 index records are rearranged accordingly. However, the rearranging of the index records may leave remnants of the deleted file/folder entry within the slack space. This can be useful in forensics analysis for identifying files that may have existed on the drive.
The $I30 is the “file” name given to NTFS MFT attributes containing filename indexes for directories. NTFS stores the filename contents of the directory ...
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