• Type in the correct tense of the verb in the spaces.
  • Click the button at the bottom to check your answers.
  • Press the "refresh" button on your browser to play again.

be say happen be block pay help keep use design
need steal provide be affect cause be warn back come
The technology company Microsoft angry with America's National Security Agency (NSA). Microsoft the WannaCry ransomware cyber-attack because the NSA keeps lots of cyber-weapons on its computers. Ransomware a type of harmful software that access to a computer until the owner of the computer money (a ransom) to the hackers. The NSA is America's military intelligence organization. It to America's communications and information systems safe. It is also responsible for stopping cyber-attacks against the USA. However, experts say the WannaCry ransomware computer spying tools originally by the NSA.

Microsoft president Brad Smith said governments to wake up to the problem of storing cyber-weapons that hackers can . He said it was as big a problem as someone stealing missiles from the USA. When talking about the WannaCry attack, he said: "This attack yet another example of why the stockpiling of [these things] by governments such a problem." The European police agency Europol said WannaCry has 200,000 computers in 150 countries. In the UK, WannaCry many problems with the work of Britain's National Health Service. Many operations cancelled. Experts people to up their files because a second wave of attacks could .

Back to the ransomware lesson.

Share this lesson

More Free Sites by Sean Banville

Online Activities