Sobig - The Most Dangerous Virus of 2003

Yesterday, the virus company Sophos (UK) published the list of the 10 most dangerous viruses in 2003. In this series of virus outbreaks this year, Sobig-F worms always leading the charts and accounted for 20% of the cases. infection. Sobig has many variants, exploit weaknesses in Windows software, and has stalled information traffic on computer systems around the world, including the Washington DC system, not under the ground Canada, the server systems of banks, commercial and communications companies in the world. Damage caused by this virus up to billions of dollars. Standing behind Sobig was Blaster, which accounted for 15% of the cases. The worm also exploits serious Windows vulnerabilities. Nachi-A virus ranked third in the ranking with 8.4%, followed by Gibe-F (7.2%), Dumaru-A (6.1%), Sober-A (5.8%), Mimail-A (4.8%), Bugbear-B (3.1%), SoBig-E (2.9%) and Klez-H (1.6%). Sophos analyst Sophia Carole Theriault said the success of the virus was due to the fact that people refuse to update the patch, upgrading the anti-virus software to prevent it. Another virus that did not make it into the top 10 this year, but experts say is SQL Slammer. The worm emerged in January 2003 and has caused massive worldwide shocks. Many Internet service providers in the world are paralyzed, airline schedules are interrupted and about 13,000 ATMs stop functioning. Damage estimated at $ 1.1 billion. All these viruses are targeted at Microsoft's Windows operating system. Sophos predicted that the situation would continue in 2004.