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Cryptography20785 marksIntrusion Detection System

What does intrusion mean? How the system detect intrusion? List any four types of firewall.

What does intrusion mean? How the system detect intrusion? List any four types of firewall. [5]

Intrusion refers to any unauthorized attempt to access, manipulate, or compromise a computer system, network, or data. It involves a set of actions that attempt to bypass the security mechanisms of a system to gain unauthorized access, steal information, disrupt services, or cause damage. --- An ...

Up nextDecrypt the message 'GVPJ' using Hill cipher taking the key as {Row1 = 3 7, Row2= 5 12}.