In just the past year, Kaspersky's Internet Security Lab defended against more than 80,000 malicious Internet attacks - more than 200 a day. The volume is unprecedented. To guard against these threats, Kaspersky Lab now offers Triple Threat Protection - unique technologies that protect against identity theft, confidential data leakage and all Internet threats.

Automated Hourly Anti-Malware Updates
Independent tests show Kaspersky is #1 for detecting viruses and spyware. Our Internet Security Lab is world renowned for the fastest response to Internet threats - less than two hours once a threat is discovered. Combined with our standard hourly updates, you're only minutes away from the latest protection directly from the Lab! Intelligent Proactive Heuristics

Zero-day exploits can attack and destroy in seconds. Kaspersky Anti-Virus runs all files that don't match our signature database in a safe, isolated section to check for malicious behavior. This failsafe method checks the code without endangering your computer. Real-Time Behavior Analysis
Kaspersky prevents infections by monitoring your computer for any malicious behavior. If detected, Kaspersky immediately alerts you and rolls back any malicious changes, including restoring files encrypted by ransomware.

System Requirements
OS Required
Microsoft Windows 2000 Professional SP4 or later, Microsoft Windows XP Professional x64 Edition, Microsoft Windows XP Professional SP2 or later, Microsoft Windows XP Home Edition SP2 or later, Microsoft Windows Vista Home Basic, Microsoft Windows Vista Home Premium, Microsoft Windows Vista Ultimate, Microsoft Windows Vista Enterprise, Microsoft Windows Vista Ultimate 64-bit Edition, Microsoft Windows Vista Business (32/64 bits)