Steganography and Data Hiding Techniques DFE Practice Questions (Page 10)

Questions 46–50

1. 46application · medium

   A forensic analyst is examining a set of images from a suspect's computer. The analyst notices that some images have a higher-than-expected number of unique colors and that the noise pattern appears unnatural. Which steganalysis technique is most appropriate to detect hidden data?

   • AVisual analysis by zooming into the image to look for text.
   • BHash comparison against known clean images.
   • CMetadata analysis to check for unusual comments.
   • DStatistical analysis to detect anomalies in color distribution and noise.
   Reveal Solution Discussion Select an answer first
2. 47expert · hard

   A forensic investigator is preparing to present evidence of steganography in a court case. The investigator has successfully extracted hidden data from an image file. What is the most important ethical consideration when presenting this evidence?

   • AUse the extracted data to build a profile of the suspect's behavior
   • BEnsure that the evidence was obtained legally and that the chain of custody is documented
   • CExplain the technical details of steganography to the jury in simple terms
   • DAvoid mentioning that steganography was used because it may confuse the jury
   Reveal Solution Discussion Select an answer first
4. 48foundation · easy

   Which of the following is a popular steganography tool used to hide data in image and audio files?

   • ANmap
   • BStegdetect
   • CSteghide
   • DMetasploit
   Reveal Solution Discussion Select an answer first
5. 49foundation · easy

   Which image steganography technique involves altering the brightness or color of certain areas to hide data?

   • ASpread spectrum
   • BMasking and filtering
   • CEcho hiding
   • DLSB insertion
   Reveal Solution Discussion Select an answer first
6. 50expert · hard

   A forensic examiner is analyzing a file system and discovers that the slack space of several files contains data that appears to be part of a hidden message. The examiner wants to extract the hidden data. Which approach is most appropriate?

   • AUse a forensic tool that can carve data from slack space
   • BManually copy the slack space bytes using a hex editor
   • CUse a network analysis tool to capture the data
   • DRun a steganalysis tool like Stegdetect on the files
   Reveal Solution Discussion Select an answer first