Research in a real$-$life example: WanaCry Worm $(2017)[2$ pages$]$

In the second part of the report you need to describe impact that a real cybersecurity breach has had:

$$ The infection mechanism $/$ exploit method used $($technical description of how it worked$).$ There is some detailed technical information out there about this attack $$ can you find it and make sense of it$?$ This attack exploited a heap overflow vulnerability $$ how did this work?

$$ The payload $$ what did the virus$/$worm do to infected computers?

$$ Who was responsible? What was their motivation?

$$ What was the impact?

$$ What actions were taken to resolve the issue?