Norton Coupons Updated For : About Norton: Norton is a computer security firm that was formed in 1991. Its most iconic product is Norton AntiVirus. In August 1990, Symantec bought Peter Norton Computing from Peter Norton. Peter Norton Computing specialized in the development of DOS utilities. However, these utilities did not include antivirus features. Symantec had previously developed an antivirus called Symantec Antivirus. It was compatible with the Macintosh Operating System. Norton’s growth was boosted by the rise of computer viruses in 1991. Computers in the United States were invaded by multiple viruses in 1991. The Antivirus systems at the time were unable to deal with the threat. Companies that had invested in PC technology identified computer viruses as a major threat.