Petya : Another mass ransomware attack on business

Many organisations in Europe and the US have been crippled by a ransomware attack known as “Petya”  or more accurately an altered version that has been labelled NonPetya or not-Petya. The malicious software has spread through large firms including the advertiser WPP, food company Mondelez, legal firm DLA Piper and Danish shipping and transport firm…