Companies across the globe are reporting system disruptions
                                
                                
                                    (Newser) -
                                    A massive cyberattack has hit computer systems around the world, the  BBC  reports. The ransomware attack, which is believed to be a well-known strain called Petya (the updated version is called Petrwrap), was first reported in Ukraine but has quickly spread to Spain, France, Russia, and other countries. Coverage of...