Answer:
'Session hijacking.'
Explanation:
'Session hijacking' is demonstrated as the security attack that involves an attack on an authorized user through exploitation of the authentic/valid session of the computer and covertly attaining their user Id to take over their network to gain illegitimate access to the network to serve their malicious purposes. In such an attack, the attacker aims to gain control over an authorized network by deceiving the user session and establish a connection between the authorized and the user to get access to their sources and data. Therefore, 'session hijacking' is the answer.
