Helps stop viruses, worms, Trojans, spyware, and other malware; scans and cleans attachments, downloads, and other files; and updates automatically to counteract new threats.
Anti-phishing:
Monitors when you have Microsoft Phishing Filter in Windows Internet Explorer 7 installed and turned on to help protect your personal information from phishing Web sites.
Two-way firewall:
OneCare helps protect your PC from hackers when you send or receive data over the Internet, and continuously updates when you're online to help block harmful applications.
Performance tune-ups:
OneCare helps improve your computer's performance by executing a variety of tasks automatically, including disk cleaning and disk defragmentation.
Data backup and restore:
Helps protect your files by regularly backing them up to a CD, DVD, external hard drive, network drive, or other USB-enabled data-storage device.