Multiple choice

Which of these can prevent a malicious process from being visible in the system's list of processes?

  1. Trojan horse

  2. Backdoor

  3. Rootkits

  4. Antivirus

  5. Virus hoax
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Once a malicious program is installed on a system, it is essential that it stays concealed, to avoid detection. Software packages known as rootkits allow this concealment, by modifying the host's operating system, so that the malware is hidden from the user. Rootkits can prevent a malicious process from being visible in the system's list of processes, or keep its files from being read.

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