Thousands of organizations from around the world were caught off guard by the WannaCry ransomware attack launched Friday. As this rapidly spreading threat evolves, more cybercriminals are likely to attempt to profit from this and similar vulnerabilities.
As a ransomware program, WannaCry itself is not that special or sophisticated. In fact, an earlier version of the program was distributed in March and April and, judging by its implementation, its creators are not very skilled.
Source: NW Security 1