Describes Information Hiding in communication networks, and highlights their important issues, challenges, trends, and applications. 

• Highlights development trends and potential future directions of Information Hiding
• Introduces a new classification and taxonomy for modern data hiding techniques
• Presents different types of network steganography mechanisms
• Introduces several example applications of information hiding in communication networks including some recent covert communication techniques in popular Internet services

Describes Information Hiding in communication networks, and highlights their important issues, challenges, trends, and applications. 

• Highlights development trends and potential future directions of Information Hiding
• Introduces a new classification and taxonomy for modern data hiding techniques
• Presents different types of network steganography mechanisms
• Introduces several example applications of information hiding in communication networks including some recent covert communication techniques in popular Internet services

Describes Information Hiding in communication networks, and highlights their important issues, challenges, trends, and applications. 

• Highlights development trends and potential future directions of Information Hiding
• Introduces a new classification and taxonomy for modern data hiding techniques
• Presents different types of network steganography mechanisms
• Introduces several example applications of information hiding in communication networks including some recent covert communication techniques in popular Internet services