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In this paper, two different packet timing and IP ID based network steganography approaches have been proposed to provide confidential transmission of information. In the proposed packet timing approach, it is seen that the bandwidth is higher than the previous methods. The proposed IP ID field based approach has been found to be more effective than previous methods in ensuring the uniqueness of the...
By using covert channels, a malicious entity can hide messages within regular traffic and can thereby circumvent security mechanisms. This same method of obfuscation can be used by legitimate users to transmit messages over hostile networks. A promising area for covert channels is wireless networks employing carrier sense multiple access with collision avoidance (CSMA/CA) (e.g., 802.11 networks)....
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