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What are Covert Channels?

In Cybersecurity by Ian CarnaghanLeave a Comment

This entry is part 6 of 10 in the series Intrusion Detection

A covert storage channel occurs when illegitimate hidden information or data is sent secretly via a legitimate communication channel. The process occurs through the manipulation of communications medium in an unconventional way in order to transmit data that is unseen in everyday operations. Thyer (2008). An example of a covert storage channel involves the hiding of data in ICMP error …