COMPUTER NETWORKING

Detailed explanation-1: -A rootkit is a collection of malware designed to give unauthorized access to a computer or area of its software and often masks its existence or the existence of other software. Rootkit installation can be automated or the attacker can install it with administrator access.

Detailed explanation-2: -A backdoor is a malware type that negates normal authentication procedures to access a system. As a result, remote access is granted to resources within an application, such as databases and file servers, giving perpetrators the ability to remotely issue system commands and update malware.

Detailed explanation-3: -Backdoor attacks involve cybercriminals using these entry points to gain unauthorized access to data and systems. These incidents often go undetected, at least at first, because the hackers didn’t have to disrupt or brute force their way through any of the cybersecurity systems.

Detailed explanation-4: -Trojan horses can be used to create vulnerabilities in a device. A Trojan horse may appear to be an entirely legitimate program, but when executed, it triggers an activity that may install a backdoor.