Norton Internet Security 2010 blocks viruses, spyware, Trojan horses, worms, bots, and rootkits, defends against hackers with a quiet two-way firewall. Its intelligence-driven technology for faster, fewer, shorter scans. Guard PC against Web attacks that exploit software vulnerabilities. Stop threats unrecognized by traditional antivirus techniques. Filter unwanted email with professional-strength antispam. Helps keep your kids safe online with parental controls. Help secure and monitor your home network.