Norton AntiVirus, developed and distributed by Symantec Corporation, provides malware prevention and removal during a subscription period. It uses signatures and heuristics to identify viruses. Other features include e-mail spam filtering and phishing protection. Norton AntiVirus lacks the premium services offered in Norton Internet Security. These include a firewall, parental controls, Wi-Fi protection for unsecured hot spots, and identity protection including antiphishing tools and browser...