QUESTION 2 (30 MARKS) You must discover and retrieve all graphics files on a drive and evaluate which ones are relevant

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Question 2 30 Marks You Must Discover And Retrieve All Graphics Files On A Drive And Evaluate Which Ones Are Relevant 1 (58.25 KiB) Viewed 34 times

QUESTION 2 (30 MARKS) You must discover and retrieve all graphics files on a drive and evaluate which ones are relevant to your case during the investigation process. However, sometimes these files are stored not in standard graphics file formats. As a result, even if they are unclassified as graphics files, you should inspect them using your computer forensics tools. a) Identify THREE (3) types of graphic file. b) Differentiate any TWO (2) types of graphic file stated in (a). (3 marks) (4 marks) c) Explain how to identify an unknown graphics file format that is unrecognized by your forensics tool. (4 marks) e) Using an example, demonstrate ONE (1) of lossless compression algorithm. d) Lossless compression is a technique that allows you to view a graphics file without losing any data. Explain the relationship between this algorithm and graphic file types. (4 marks) (5 marks) f) Describe TWO (2) main steganography techniques for hiding data in a secret message by employing a host file. (5 marks) g) Steganalysis tools can discover hidden data from graphic files, including those which have been renamed to hide their contents. Explain how these tools work. (5 marks)