Question

Which of the following is/are true for LSB insertion steganography technique?

 a. The original media file can be exactly recovered at the receiving end.

 b. It is vulnerable to media manipulation attacks.

 c. One of more least significant bits of each element in the media file are used for hiding information.

 d. All of these.

(more than 1 options allowed)​

Answer 1

Answer:

LSB stenography is the technique is the technique used to hide messages inside an image. It is done by replacing Least significant bit of image with the bits of message to be hidden.

This method works really well in media files. The chosen stego attack is used as an algorithm in LSB.

The answer is c. LSB is one of more least significant bits of each element  in the media file are used for hiding information.

Explanation:

Answer 2

All of these are the more 'least significant bits' of each element in the 'media file is used for hiding information'.  

Option (d)

Explanation:

• 'Steganography' is a method of hiding secret data inside any form of 'digital media'. The main concept behind 'steganography' is to hide the presence of data in any medium such as audio, video, image, etc'.
• The 'steganography' system is used to 'encode and decode' a secret file 'embedded' in picture/image file with a random 'Least Significant Bit (LSB)' insertion technique.
• 'LSB' insertion is very vulnerable to many conversions, even the most dangerous and common ones.

To know more

Which method is used by steganography to hide text in an image file?

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Disadvantages of steganography

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