Steffen Wendzel

"The Good, The Bad And The Ugly": Evaluation of Wi-Fi Steganography

2015 · arXiv (Cornell University)

In this paper we propose a new method for the evaluation of network steganography algorithms based on the new concept of "the moving observer". We considered three levels of undetectability named: "good", "bad", and "ugly". …

Inter-Protocol Steganography for Real-Time Services and Its Detection Using Traffic Coloring Approach

2017

Due to improvements in defensive systems, network threats are becoming increasingly sophisticated and complex as cybercriminals are using various methods to cloak their actions. This, among others, includes the application of network steganography e.g. to …

Adaptive Warden Strategy for Countering Network Covert Storage Channels

2021 · arXiv (Cornell University)

The detection and elimination of covert channels are performed by a network node, known as a warden. Especially if faced with adaptive covert communication parties, a regular warden equipped with a static set of normalization …