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Spammers Continue their Campaigns Successfully

SoftScan, on April 4, 2007, announced a marginal drop in spam levels from a voluminous level of 90.3% in March 2007 to still an alarming level of 89.90% of the total e-mails it scanned.

Although March did not see any notable incident of spam or viruses but the continuous growth in spam represents spammers' persistence and their success in e-mail campaigns.

The reports of MySpace filing a suit against the 'spam king' only demonstrate that the system is certainly wrong somewhere. If by an order someone has to refund $4m for committing an earlier offence but still repeat similar actions, it only goes to show that the punishment did not effectively prevent such offences. These were the comments by Diego d'Ambra, CTO of SoftScan whose statement net4now published on April 4, 2007. Therefore it is necessary that law enforcement around the world come down tougher along with increasing users' awareness of risks on responding to such e-mails.

Virus rates remain leveled at 0.6% of all e-mails scanned.

Earlier SoftScan said spam mails had increased at an average rate of 77% starting September 2006 and since then it has been steadily growing. It said the rise in graphic spam was responsible for expansion in file volume during recent months. Therefore there would be an increase in cost management of e-mail for some companies that require increasing their bandwidth and storage capacity to satisfy increased demands.

Since September 2006, the size of a single spam mail enlarged from 6.62kb on average to 11.76kb. Albeit small but the large volume of spam mails that many companies receive would entail a significant effect with just a minimal rise in size.

Spammers use images, most commonly to avoid detection or make more attractive messages. The initial image spams were just graphic attachments in e-mails. Then the e-mails had colored backgrounds. Lately image spams have backgrounds with different colors, all with the hope to deceive scanning processes.

There were five top virus families in March 2007 including phishing with 92.09% of all detections. Then were Netsky with 3.38%; Mytob with 1.27%; Bagle with 0.86%; and Stration with 0.56%.

Related article: Spammers Remained Aggressive In April

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