Which of the following is typically the MOST difficult security threat to remove?

The correct answer is D. Rootkit. Rootkits are the most difficult to remove because they operate at the kernel or firmware level of the operating system, granting them deep, privileged access to system resources. A rootkit can intercept and modify OS calls, hide its own files, processes, and registry entries…

Hardware and network troubleshooting

Question

Options

ASpyware
BVirus
CTrojan
DRootkit

How the community answered

(50 responses)

A
2% (1)
B
2% (1)
C
6% (3)
D
90% (45)

Explanation

Rootkits are the most difficult to remove because they operate at the kernel or firmware level of the operating system, granting them deep, privileged access to system resources. A rootkit can intercept and modify OS calls, hide its own files, processes, and registry entries, and even cloak other malware. Because the rootkit subverts the OS itself, standard antivirus tools running within that OS may be unable to detect or remove it. Removal typically requires booting from an external, trusted medium. Spyware, viruses, and Trojans, while damaging, generally operate at higher OS levels and are more susceptible to traditional removal tools.

Topics

#rootkit#malware removal difficulty#security threats#threat comparison

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