In addition to cross-platform security, hosted online backup, and tons of security features, Norton 360 Deluxe gives you a no-limits VPN and a full-featured parental control system. It's a high-security bargain.
AVG Internet Security defends your devices with powerful antivirus tools and protects against ransomware, but its extra security tools may not be enough to lure away users of AVG AntiVirus Free.
Trend Micro Internet Security adds some components to the already rich feature set of Trend Micro Antivirus+ Security, but its big brother Trend Micro Maximum Security is a better choice.
Total Defense Premium Internet Security starts with essential antivirus protection and adds parental control and cloud backup. The price is nice, but you're better off paying a little more for more security.
Avira Internet Security upgrades some components of Avira Free Security to their Pro equivalents, but others still require separate purchase, and many typical suite components are absent. It’s just not a big improvement over the free suite.