According to PCMag, Norton Internet Security (2014) is slightly better than McAfee Internet Security (2014). PCMag awarded Norton an overall score of 4.5 out of 5, while McAfee received a 4 out of 5. The main difference is that Norton was given better scores for both firewall and privacy.
There are many different varieties of antivirus software available, and most offer a free limited version of the software or a free trial. Antivirus software is very important for protecting your computer against viruses, malicious software, worms, keyloggers, adware and spyware. The main downside to antivirus software is unexpected renewal costs.