Email has become the most widely used form of communication in the world. Millions of businesses and personal users rely on it for its speed and efficiency. Unfortunately, email is often insecure.
Encrypting email allows secure communication between the sender and recipient. The following scenario describes the email encryption process:
For more information about encryption, please visit techtarget.com.
Many files, including images (.jpg, .bmp, .gif) and sound or music files (.mp3, .wav) contain unused data blocks. Steganography is the method of filling these unused blocks with a hidden message. Steganography is often used to send illegal or illicit messages including communications between terrorists or cyber-criminals.
For more information about steganography, please read this ComputerWorld article.
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