Data encryption aims to protect the confidentiality of data at storage, during transmission, or
while in processing. However, it is not always the optimum choice as attackers know the …

Steganography is the science and art of covert communication. Conversely, steganalysis is
the study of uncovering the steganographic process. The evolution of steganography has …

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 …

With remarkable information technology development, information security has become a
major concern in the communication environment, where security must be performed for the …

Image steganography is a technique of hiding secret data into a cover image and so as to
prevent the intruders from accessing the secret data. The efficiency of image steganography …

On the basis of ensuring the quality and concealment of steganographic images, this paper
proposes a double-matrix decomposition image steganography scheme with multi-region …

Steganography play an important role to transfer secret data over insecure network.
Moreover digital images are taken as a cover to communicate the sensitive data. One of the …

In all forms of confidential communication, the most significant element is security.
Cryptography can be used to secure the information, but it discloses the presence of covert …

Smart healthcare systems play a vital role in the current era of Internet of Things (IoT) and
Cyber-Physical Systems (CPS); ie Industry 4.0. Medical data security has become the …

Histogram-based steganalysis methods diagnose abnormalities in the stego histogram.
LSB+ and outguess are two steganography methods which preserve the cover histogram …