Microsoft is angry attacks communications computers countries example experts files governments hackers harmful military missiles operations owner people ransomware systems things tools with America's National Security Agency (NSA). Microsoft said the WannaCry angry attacks communications computers countries example experts files governments hackers harmful military missiles operations owner people ransomware systems things tools cyber-attack was because the NSA keeps cyber-weapons on its angry attacks communications computers countries example experts files governments hackers harmful military missiles operations owner people ransomware systems things tools . Ransomware is a angry attacks communications computers countries example experts files governments hackers harmful military missiles operations owner people ransomware systems things tools software that blocks access to computers until the angry attacks communications computers countries example experts files governments hackers harmful military missiles operations owner people ransomware systems things tools pays money (a ransom) to the hackers. The NSA is a angry attacks communications computers countries example experts files governments hackers harmful military missiles operations owner people ransomware systems things tools intelligence organization. It helps America's angry attacks communications computers countries example experts files governments hackers harmful military missiles operations owner people ransomware systems things tools and information angry attacks communications computers countries example experts files governments hackers harmful military missiles operations owner people ransomware systems things tools to stay safe. It also stops cyber-attacks against the USA. However, angry attacks communications computers countries example experts files governments hackers harmful military missiles operations owner people ransomware systems things tools say the WannaCry ransomware used spying angry attacks communications computers countries example experts files governments hackers harmful military missiles operations owner people ransomware systems things tools that were designed by the NSA. Microsoft said angry attacks communications computers countries example experts files governments hackers harmful military missiles operations owner people ransomware systems things tools must wake up to the problem of storing cyber-weapons. It said angry attacks communications computers countries example experts files governments hackers harmful military missiles operations owner people ransomware systems things tools can steal them and it was as dangerous as stealing angry attacks communications computers countries example experts files governments hackers harmful military missiles operations owner people ransomware systems things tools . Microsoft's president said: "This attack provides yet another angry attacks communications computers countries example experts files governments hackers harmful military missiles operations owner people ransomware systems things tools of why [governments keeping these angry attacks communications computers countries example experts files governments hackers harmful military missiles operations owner people ransomware systems things tools ]…is such a problem." Europe's police agency said WannaCry has affected 200,000 computers in 150 angry attacks communications computers countries example experts files governments hackers harmful military missiles operations owner people ransomware systems things tools . It made many problems for Britain's National Health Service. Many angry attacks communications computers countries example experts files governments hackers harmful military missiles operations owner people ransomware systems things tools were cancelled. Experts warned angry attacks communications computers countries example experts files governments hackers harmful military missiles operations owner people ransomware systems things tools to back up their angry attacks communications computers countries example experts files governments hackers harmful military missiles operations owner people ransomware systems things tools because more angry attacks communications computers countries example experts files governments hackers harmful military missiles operations owner people ransomware systems things tools could come.