Covert Channels are the mechanism used to transmit information using not the originally intended for Data Transmission.
Generally Unauthorized and hidden used to send information that violates Information security policy. *Covert Storage Channels* - They are a line of communication that can be seen by everyone but not understand by everyone. Processes are able to communicate through some type of storage on the system. * Stagnograhy is a type of Covert Storage Channel. Example - Hiding a picture or a message inside a PDF Document. *Covert Timing Channel* - One precess relays information to another by modulating the use of system resources. For example, mixing illegitimate traffic with legitimated traffic. Micro-Architectural Attacks * Cache Timing Attacks * Cache memory sits in between processor and memory. It is used for faster processing.
|
AuthorWrite something about yourself. No need to be fancy, just an overview. Archives
November 2022
Categories |