Question

A stealth network attack in which an unauthorized person gains access to a network and remains undetected for a long time is referred to as a(n) __________ attack.

Answer 1

"Advanced persistent threat " is the right one.

Step-by-step explanation:

• APT seems to be a clandestine cyber assault on something like a network connection where another assailant achieves and retains unauthorized knowledge to the communication network, however impossible to conceive for a considerable period.
• They represent compound channel assaults that use different components including various approaches of attack.