Answer:
malware infection
Explanation:
Malware infection occurs when malware or malicious software, enters and invades the computer. Malware is a software generated with the purpose of damaging a computer, stealing personal information and private data. It is also created for the intent of spying on a user's computer without his consent.
Some examples of malware are Trojans, worms,viruses, spyware, rootkits, etc. These can slow down or lock the computer and are also capable of spying online activities of a user. Malware infection can cause damage on computer system if the computer is not protected against such attack. Malware usually enters a computer when a user downloads media files like videos, songs etc from suspicious websites or when the user clicks on malicious links from untrustworthy emails. Attackers use advanced tools to implement and spread malware infection. As more users are connected to the internet than ever before, perpetrators are tricking incautious users into installing malware.