UPSC Civil Services 2018 Prelims General Studies Paper I

● Wannacry ransomware locks user's devices and prevents them from accessing data and software until a certain ransom is paid to its creator. Like WannaCry, "Petya" worm spreads rapidly through networks that use Microsoft Windows, and demands $300 paid in bitcoin to unlock your infected P(C) EternalBlue is the name given to a software vulnerability in Microsoft's Windows operating system, because of which aforementioned ransomwares sprea(d) So, all these terms are related to cybersecurity.