(NOTE: This story was originally posted to CRN.com earlier Monday, May 15.)

Wanna Stop WannaCry?

Whas has been the impact of the massive ransomware attack WannaCry?

Sinxce Friday, it has infected computer systems in 150 countries, according to the BBC. Cybersecurity firm Kaspersky Lab says at least 200,000 computers have been crippled — with healthcare systems and telecom companies among notable victims. The attacks have involved a demand of a Bitcoin payment — equal to $300 -- in order to unlock computer systems. In response, a number of cybersecurity experts are offering advice on how to protect against WannaCry.

Click through to read five steps to take to defend against the WannaCry ransomware attack.