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6th International Workshop on Digital Forensics and Incident Analysis (WDFIA 2011)
Title: Combating Information Hiding Using Forensic Methodology
Author(s): Chelliah Balan, Divya S Vidyadharan, Dija Sulekha, Kakkassery Lazar Thomas
Keywords: Data hiding, MBR, EMBR
Abstract: Advancement in disk technology led to the development of hard disks of terra byte sizes. Users have the option to divide the storage into a number of partitions based on the nature of uses. Whenever a partition is created, a full track is reserved to store boot information and partition table information. But this information requires only the first sector of the track. The remaining space cannot be used for any other purpose, as the file system cannot access these free sectors and hence, the chances of overwriting these sectors are very low. So, this area can be used to hide any critical information. The user will get a large amount of storage space for hiding data depending on the number of partitions. In this paper, we describe the details of data hiding in unused areas that cannot be easily overwritten by the Operating Systems.
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