Malware are malicious software that you can pick up through the internet. Malware can damage your software or expose sensitive information about you. Your computer can also be used as a robot to help hack other people's computers.
Fortunately there is a practice called icode that is supported by numerous internet companies including Vanilla
The https://icode.org.za website will educate you on how to keep your device safe. They even give you tips on how to avoid malmare infections
We recommend you follow this websites advice and also give them feedback