Network worms spread directly over the LAN (Local Area Network) or across the Internet, often exploiting a specific vulnerability.Be Aware of the Following Worm Threats:Wise.Pro.crack, TrojanDownloader.Win32.Small.ce, Win32.Plexus, Rbot.ZZ, Sasser.B.DoSA DoS (Denial of Service) attack is designed to disrupt or stop the normal running of a Web site, server, or other network resource.