Norton Antivirus plus offers protection from one to five devices. It offers the best security features and other features that include:  Device Security: Protect your device from viruses and other threats  Smart Firewall: Norton Smart Firewall monitors both incoming and outgoing traffic. The Norton firewall blocks your data from going out. This data can include your passwords and keystrokes.  PC Cloud Backup: Norton provides access to their remote cloud servers where you can store your data, making it safe if you lose or damage your computer. It offers 2GB of cloud storage.  Password Manager: Norton Password Manager offers tools to create and update your personal information, credit cards, and passwords in an online vault.