On the 27th June 2017 a wide scale cyber attack Occurred. Encrypting devices throughout 80 companies to a point beyond repair, the White House estimated the attack resulted in $10 billion worth of damages worldwide. 80% of computers infected belonged to Ukrainian organisations, their partnering companies or organisations with offices networked there.The malware spread through M.E.Doc, accounting software used heavily across Ukraine. Cyber experts noted that although being more severe and widespread, the attacks shared code with previously identified piece of malware Petya, prompting them to name this new piece “NotPetya”