Steganography is the procedure by which files or information can be transmitted secretly by embedding them in images or audio files. Cryptographic concepts can be used to supplement steganography by first encrypting the message and then hiding it in the image.
For the ordinary user only an image is visible but to the sender and receiver, a message is hidden in the picture which can be unearthed only by using special steganographic tools.
In the video illustration below, we can see that a text file is embedded inside the ‘snowman’ image. There are several steganography tools available like QuickStego, Xiao Steganography, OpenStego and so on which helps us to embed secret files in images or audio files.
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Jayanthi Manikandan has an undergraduate degree in Computer Science from India and a Master’s degree in Information systems with a specialization in Information security from Detroit, MI, USA.
She has been passionate about Information security and has several years of experience writing on various technical topics. Additionally, she loves to pen a few personal thoughts here as well! 🙂