eSSay3

1. You are investigating a file that is suspected to be a graphics file with hidden content and data. The file has a corrupted hexadecimal header. How would you proceed with your investigation to reconstruct and recover the original graphics file?  What would you do to find any hidden data?

2. Describe how to hide information on a bitmap image file (with 8-bit color depth) using substitution steganography.

approx 500 words (2 pages)