Malware is a computer software which is specifically designed with malicious intention generally to disrupt, damage, or gain authorized access to a computer system. It can be of various types like Virus, Worms, Trojan Horses etc.precautionary measures to be taken against malware are as follows:Install quality Antivirus softwareRegular update of Antivirus software and regular PC scanDo not click on unknown or suspicious linksAvoid pirated software