The NRL Network Pump R , or Pump, is a standard for mitigating covert channels that arise in a multi-level secure (MLS) system when a high user (HU) sends acknowledgements to a low...
Siva K. Gorantla, Sachin Kadloor, Todd P. Coleman,...
This paper presents a predictable and quantifiable approach to designing a covert communication system capable of effectively exploiting covert channels found in the various layer...
—Communication is not necessarily made secure by the use of encryption alone. The mere existence of communication is often enough to raise suspicion and trigger investigative act...
Sebastian Zander, Grenville J. Armitage, Philip Br...
Exploiting packets’ timing information for covert communication in the Internet has been explored by several network timing channels and watermarking schemes. Several of them em...