Week 8 - Data Hiding

Question 1

What are some techniques for hiding data?

Answer 1

Changing the file name
Changing the file extension
Mark a file as hidden in file system
Scattering data across in unused space
Storing data in slack space
Encyption and Steganography
Deleting Files (Shredding)

Question 2

What is file camoflage?

Answer 2

When a file has had its extension changed, to change the type of the file and to hide its original type.

Question 3

What is scattering?

Answer 3

When data from a file is split up and stored in unallocated space to hide it from the OS and users. The space does not change and still stays as unallocated space (Meaning the data could be overwritten) or the area could be marked as a ‘bad block’ not for use.

Question 4

What do digital forensics experts do when encryptionis too strong to break through?

Answer 4

They look for the key. They might ask the suspect for the key.

Question 5

What is Steganography?

Answer 5

Data hidden within other data. An example of this is a text message hidden within an image file.