The subject of covert radio agents operating behind enemy lines during World War II has recently taken on a life of its own. In the last five years, there have been no fewer than 16 books written on ...

Graphical Abstract Multiple layers of vascular smooth muscle cells (vSMCs) are present in blood vessels forming the media of the vessel wall. vSMCs provide a vessel wall structure, enabling it to ...

Network covert channels are a part of the information hiding research area that deals with the secret transfer of information over communication networks. Covert channels can be utilized, for instance ...