Security has been a major source of concern for PC users this year. Malwares such as Petya and WannaCry brought many organisations to a standstill for several days. WannaCry went on to affect 230,000 devices in 150 countries, while Petya affected over 2,000 organisations across the globe. The constantly-evolving nature of malwares makes containing them harder. Cyber criminals keep coming with new ways to target users. Both these examples hint at new types of malware, the risks they pose and how one can avoid them.