Filtering the virus

By | August 24, 2006

Dangerous viruses continue to proliferate with new insidious tactics employed to penetrate networks. Increasingly, viruses are programmed to wreak havoc and destruction, assume identity, and defraud the public. New methods of delivery are successfully eluding network administrators-rendering viruses even more threatening than in the past.

A typical virus outbreak averages $300 per desktop in IT clean-up costs alone. Virus or spam in their earlier days of invention were just a means to gain publicity and to make the best use of free time as compared to today where its more of a money making business. Email and attachments are still the primary way of spreading harmful content. Iron Port´s Threat Operations Center reports that in the past 45 days, it has blocked 20 virus outbreaks — all of them quarantined before major anti-virus vendors released a signature.

Hackers and viral threats are also becoming far more targeted. We are seeing the rise of tailored Trojans aimed at customers of specific banks, dubbed “spear phishing” attacks. Of the email-based viruses that occur on a daily basis, only few qualify for “virus outbreak” status. For a virus to be classified as an outbreak, it must be a new virus or a new variant of an existing virus, have moderate significant damage potential and have a widespread distribution system. The most recent virus outbreaks were Trojan Variant, Worm_Locksky, Nymex-D, Bagle-GT, FeebDL-Q and Kukudro-A.Read Full Story

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