Steganography

Question 1

Steganalysis

Answer 1

Is the study of detecting messages hidden using steganography. Goal is to cover writing existence of secret communication channel is not known. Mechanical transformations are not generally used

Question 2

Concealment

Answer 2

This is an objective of steganography. Is the state of being hidden or the act of hiding something. To covert communication, or to conceal malicious code

Question 3

Cover image

Answer 3

Can be text (hiding informations eg. every 1,2,3 letter), can be image (bmp, jpeg) in audio file (wav, mp3) hiding in video (avi, mp4). This are covers to hide data. Carrier that hides specter message.

Question 4

Steganography

Answer 4

Cryptographic construction which hide data). This is the science of hiding information. Consist a message and cover image. Cover image is the carrier that hides the message . Message is a secret data

Question 5

Digital watermark

Answer 5

Is a hidden message that is used to prove or claim an ownership

Question 6

Malversiting

Answer 6

Malicious code embedded in advertising practice of placing malicious malware. Loading advertisements into legitimate online advertising networks or webpages. No user interaction to become infected (visiting infected webpage).

Question 7

Steganography - example

Answer 7

Adding to image text file by using command by copy/b image 1.jpg + text1.txt + final .jpg (emabading jpg by txt)
Image1.jpg + text = final1.jpeg
Opening final1.jpg in notepad there will be a message.