Network covert channels are used to hide communication inside network protocols. Various
techniques for covert channels have arisen in the past few decades. We surveyed and …

Steganography is the art and science of secret communication, concealing the very
existence of a communication. Modern cover types can take many forms such as text …

This paper presents a literature review of image steganography techniques in the spatial
domain for last 5 years. The research community has already done lots of noteworthy …

Principles and overview of network steganography Page 1 IEEE Communications
Magazine • May 2014 225 0163-6804/14/$25.00 © 2014 IEEE Józef Lubacz, Wojciech …

In the latest years, there is an increasing emphasis on DICOM medical images, especially in
digital medical images transmission to e-health services. Besides, the confidentiality and …

In order to protect user privacy or guarantee free access to the Internet, the network covert
channel has become a hot research topic. It refers to an information channel in which the …

网络隐蔽信道是在网络环境下违反通信限制规则进行隐蔽信息传输的信息通道,
为网络信息安全带来了新的挑战, 也为数据传输的安全性和隐私性带来了新的研究方向 …

Various security threats have prompted covert timing channels to become an important
alternative for the transmission of confidential information in an untrusted Internet of Things …

Secure data communication is the need of hour today specifically when the wireless
communication channel is insecure. We are proposing a protocol which can be customized …

Hiding information in network traffic may lead to leakage of confidential information. In this
paper we introduce a new steganographic system: the PadSteg (Padding Steganography) …