Steganography Introduction to Steganography Codes have been around for centuries ranging from wax, invisible ink, Morse code, the Enigma used by the Germans during World War II and now steganographic. Steganography is the latest form to insidiously hide information over the Internet without a trace of a file being altered. You are able to hide messages within images, voice or music. Steganography is an ancient method of hiding messages. Today messages are hidden in images and music. Steganography
Steganography Intro to Computer Forensics CINS 139 April Payton What is Steganography? The word steganography comes from the Greek name “steganos” which means hidden or secret, and the word graphy, which means writing or drawing. Put them together, and it literally translates to mean “hidden writing” (Richer, 2010). According to Dictionary.com, steganography is “the art of writing in cipher, or in characters, which are not intelligible except to persons who have
Signal Processing 90.3 (2010): 727-752. Academic Search Premier. EBSCO. Web. 17 Mar. 2011. Niklasson, Hans . "Semagrams." wbStego. WbStego, 01 Mar. 2004. Web. 17 Mar 2011. . Wang, Huaiqing, and Shuozhong Wang. "Cyber Warfare: Stegonagraphy vs. Steganalysis." Communications of the ACM 47.10 (2004): 76-82. Academic Search Premier. EBSCO. Web. 17 Mar. 2011.
With the rapid development of image processing technology, it is getting easier to tamper with digital images without leaving any obvious visual trace. Today, seeing does no longer believe [1]. Image forgery, like any other illegal and pernicious activity, could cause serious harm to society. Digital image forensics is a new emerging field. The aim of image forensics is to detect whether an image has been tampered with. With the widespread usage of high-resolution digital cameras and highly advanced
Greek words “stegos” means “cover” and “grafia ”means writing” defining it as “covered writing”. Steganography is the method through which existence of the secret message can be kept secret. This is achieved by hiding secret message behind another media such as image, audio and video. In image steganography, the message is hidden behind an image. The image into which a message is hidden is called a cover image and the result is stego-image. Two important properties that should be considered while
Introduction Steganography is the art of hiding or concealment of secret information within an ordinary message or file. The purpose is to hide the existence of this information from a third party so as to covertly pass messages along without being detected. (1) Throughout this report, we will discuss what a digital forensics investigator should know in relation to Steganography in electronic communication. We will talk about the history of steganography and then discuss how steganography techniques