1. Norton Software Comparison Chart
(Norton Software/Security)

...  Ghost Norton 360 Blocks browser, OS, and application threats; protects against infected Web sites Protects against the latest threats with proactive multilayered ...

2. About Worms
(Learn/Antivirus)

... help with, or malicious web pages or email messages, from other machines that are infected.   Worms, on the other hand, hardly ever do anything noticable to your computer except slow it down and ...

3. Norton Antivirus
(Norton Software/Security)

... restores and boots severely infected, unbootable PCs. Automatically scans emails and IMs for threats. Finds and eliminates bots to prevent hackers from taking over your PC. Intrusion prevention technologies ...