1987
Also hitting Macs in the mid ’80s was nVIR, a virus that initially began to spread via floppy disk that eventually had its source code made widely available. The virus caused application crashes, printing errors on laser printers, slow system response time and even system crashes, according to research issued by Lawrence Livermore National Laboratory’s Computer Incident Advisory Capability organization. Some reports claim computers infected by nVIR would beep every eight to sixteen times a user starts their computer and even tell the user “Don’t Panic.”
