There are several types of computer infections, including viruses, worms, Trojan horses, spyware, adware, and bots.

What is a computer virus?

A computer virus is a computer program that can spread itself through other computer programs or documents, unlike computer worms, which, in addition to being able to spread themselves through computers to other computers, is that it also performs functions of a computer to transfer files or data.

What is a Trojan horse?

A Trojan horse is a type of program that pretends to be efficient and good, but in reality, it just gives free rein to viruses that are in this program (Trojan horse).

What is spyware?

Spyware is the equipment used for spying. Most people use spy software to spy on their near and dear ones to check the computer activities on their computers.

What is a bot or a robot?

A bot, or robot, is a computer software robot that is programmed through various algorithms and connects from your computer to the attacker’s control server.

How to protect your computer?

The options for protecting your computer are to regularly upgrade and repair it, to be careful as users and not to click on suspicious hyperlinks, to always have a security firewall on, and to have an antivirus program for additional protection. As users, we must be very careful when opening e-mails that we do not know or that look suspicious, we must pay attention to domains, that they are real from real and good websites, and that websites have “https” and not “http” before the domain.

Sources:
https://www.varninainternetu.si/article/okuzbe/
http://sasa.musiclab.si/eri1/INFORMATIKA/RACUNALNISKA_OMREZJA/virusi_crvi.html
https://sl.education-wiki.com/7293287-types-of-malware