keywords: mcafee antivirus virusscan viruses malicious
text: McAfee releases VirusScan with intrusion prevention Antivirus software company McAfee Inc. said on Monday that a new version of its VirusScan Enterprise software contains so-called "intrusion prevention" features that can protect computers from attacks such as buffer overflows, which are often used by viruses, worms and malicious hackers to compromise vulnerable Microsoft Corp. Windows machines.