During a routine check, a systems administrator discovers that a user's PC is running slowly and CPU utilization is at 100%. Further investigation shows a large amount of resource usage. Which of…

The correct answer is B. Botnet attack. When a system administrator discovers a user's PC running slowly with 100% CPU utilization, it often indicates that the system is being used for unauthorized purposes, such as being part of a Botnet attack: Botnets are networks of computers infected with malware and controlled…

Security

Question

During a routine check, a systems administrator discovers that a user's PC is running slowly and CPU utilization is at 100%. Further investigation shows a large amount of resource usage. Which of the following is the most likely cause of the high resource usage?

Options

AFirewall activities
BBotnet attack
CDDoS attack
DKeylogger attack

How the community answered

(24 responses)

A
4% (1)
B
71% (17)
C
17% (4)
D
8% (2)

Explanation

When a system administrator discovers a user's PC running slowly with 100% CPU utilization, it often indicates that the system is being used for unauthorized purposes, such as being part of a Botnet attack: Botnets are networks of computers infected with malware and controlled by an attacker. These infected computers (bots) are often used to carry out tasks like sending spam or participating in Distributed Denial of Service (DDoS) attacks. The high CPU utilization and resource usage indicate that the computer might be performing tasks dictated by the botnet

Topics

#Botnet attack#Malware symptoms#High CPU utilization#System performance

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