The terms ‘WannaCry, Petya and EternalBlue’ sometimes mentioned in the news are related to

1. The terms ‘WannaCry, Petya and EternalBlue’ sometimes mentioned in the news are related to

2. What is EternalBlue?

3. Which exploit did the WannaCry ransomware attack use to spread rapidly across networks in May 2017?

4. The Petya (and NotPetya) ransomware attack of June 2017 hit which country especially hard?

5. WannaCry’s ransom demand asked victims to pay in which form?