Recently, malicious programs represented by the "desktop poacher" worm virus and the "spy downloader" Trojan horse have launched fierce attacks on user networks. The domestic network security situation is facing a severe test. In order to help users eliminate network threats in the first time, Kaspersky Lab, an internationally renowned anti-virus manufacturer, has taken the lead in proposing the concept of "24/7 engineer on-duty service". Kaspersky professional engineers are on duty around the clock to ensure that users can fully enjoy a safe and smooth network space during the "May Day" holiday.