Covert communication enables covert information transmission in an undetectable way to
prevent the exposure of communication behaviors. Blockchain-based covert communication …

The advanced development of computer networks and communication technologies has
made covert communications easier to construct, faster, undetectable and more secure than …

With the rapid advancement of communication and computer network technologies, covert
channels are now more secure, quicker to set up, harder to detect, and easier to design than …

Covert channel techniques have enriched the way to commit dangerous and unwatched
attacks. They exploit ways that are not intended to convey information; therefore, traditional …

A covert channel is a communication channel that is subjugated for illegal flow of information
in a way that violates system security policies. It is a dangerous, invisible, undetectable, and …

Covert channels are those breaking the restrictions of the legitimate channel and
transmitting covert messages secretly. According to the modulation methods, the covert …

The use of covert channel techniques has increased the capacity to carry out dangerous and
undetectable attacks. Traditional security procedures cannot identify them because they …

In the network steganography methods based on packet length, the length of the packets is
used as a carrier for exchanging secret messages. Existing methods in this area are …

Network covert channels enable stealthy communications for malware and data exfiltration.
For this reason, developing effective countermeasures for these threats is important for the …

a computer worm is malicious software that has the capability to spread and replicate itself
into a computer network. A polymorphic worm is a specific type of worm that changed its …