Kaspersky anti-virus protects you from the Phishing and Malware sites that you wouldn't otherwise know were attempting to steal from you.
At the same time, the Kaspersky Security Network allows your computer to report when it discovers a threat that hasn't been seen before. All 250 million Kaspersky users benefit from our combined knowledge!
Kaspersky features include:
Protects from viruses, Trojans, worms, spyware, adware
Scans files, email, and internet traffic
Protects Instant Messengers
Protects From Unknown Threats
Analyzes and closes Internet Explorer vulnerabilities
Disables links to malware sites / phishing sites
Global Threat Monitoring (Kaspersky Security Network)