Once malicious software 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 harmful process from being visible in the system's list of processes, or keep its files from being read.
Once malicious software is installed on a sys:tem, it is essential that it stays concealed, to avoid detection. Software packages kn!own .as rootkits allow this concealment, by modifying the host's operating system so that the malware is hidden from the user. Rootkits can pre?vent a harmful process from being visible in the system's list of processes, or ,keep its files from being read.