'Petya' cyber attack: How to vaccinate your computer

Security experts have found a'vaccine' for the ransomware that has been causing chaos around the world. It was initially thought to be a variant of known malware Petya, but is now claimed to be a completely new infection, which Kaspersky has dubbed'NotPetya'. However, it's still widely being referred to as'Petya', as well as'Petna' and even'SortaPetya'. It has affected a number of large organisations around the world, including WPP in the UK. The I.F.O. is fuelled by eight electric engines, which is able to push the flying object to an estimated top speed of about 120mph.