German security services. A covert listening device, more commonly known as a bug or a wire... computer systems 5 Audio from optical sources 6 Examples of use 7 Listening devices and the UK...
[2] The CIA's authority to conduct covert action comes from the National Security Act of 1947. [3] President Ronald Reagan issued Executive Order 12333 titled United States Intelligence...
British security forces became more effective it changed to a... kept covert and intelligence functions stay clandestine. External support [edit] Many cell systems receive support from...
the security mechanisms that underlie secure operating systems. Covert channels are exceedingly hard to install in real systems, and can often be detected by monitoring system performance....
Finally, numerical results are provided to illustrate our theoretical analysis and the performance of covert and security communication in such systems.
computer security, a covert channel is a type of computer security attack that creates a capability to transfer information objects between processes that are not supposed to be allowed to...
In this paper, first, a broad overview of existing covert channel communication-based security attacks is provided. Such covert channels establish a communication link between two entities that are...
Therefore hardware attacks targets this security devices. Hardware attacks could be covert or overt based on awareness of the targeted system. This paper reviews proposed Accessibility...
Blockchain-based censorship-resistant systems enable the user to access the blocked content through a covert channel while avoiding a suspicious network connection between the user and the proxy. H...
communication systems. A modulated signal can be depicted by a constellation diagram. Each... The most interesting aspect of the communication (covert and multiple users) is security...