—There has been significant recent interest in covert communication using timing channels. In network timing channels, information is leaked by controlling the time between tran...
Sarah H. Sellke, Chih-Chun Wang, Saurabh Bagchi, N...
Abstract. Covert timing channels aim at transmitting hidden messages by controlling the time between transmissions of consecutive payload packets in overt network communication. Pr...
Yali Liu, Dipak Ghosal, Frederik Armknecht, Ahmad-...
—The ability of setting up a covert channel, which allows any two nodes with Internet connections to engage in secretive communication, clearly causes a very serious security con...
It is commonly believed that steganography within TCP/IP is easily achieved by embedding data in header fields seemingly filled with “random” data, such as the IP identifier...
As network security is a growing concern, system administrators lock down their networks by closing inbound ports and only allowing outbound communication over selected protocols ...