BlackICE teams a personal firewall with an advanced intrusion detection system to constantly watch your Internet connection for suspicious behavior. BlackICE responds immediately by alerting you to trouble and instantly blocking the threat.
BlackICE's Application Protection quickly and invisibly defeats dangerous programs that attackers deliver through instant messaging, email, or even your Web browser! BlackICE stops these destructive programs before they do harm-like damaging your PC or launching email attacks against your friends and co-workers.
BlackICE automatically detects and blocks attacks through a comprehensive inspection of all inbound and outbound information to your computer. And BlackICE PC Protection is constantly working to secure your dial-up, DSL, and cable modem from hackers 24 hours a day, every day of the year.