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Spam now reaches 95% of e-mails
Posted on 13-Dec-2007 06:45. | Tags Filed under: News.

Barracuda Networks, Inc. has released its annual spam report for 2007 and the current status is not a pretty sight. The company found that the majority of business professionals view spam email as the worst form of junk advertising - worse than postal junk mail and telemarketing calls, but the really bad news is the spam e-mail accounted for 90 to 95 percent of all email in 2007, up from an estimated five percent of email in 2001.

The study was based on an analysis of more than one billion daily email messages sent to its more than 50,000 customers worldwide. The number of spam messages increased from an estimated 85 to 90 percent of email in 2006.

The report points out how innefective the legislation dealing with the problem is. For example back in 2004 70% of e-mail were considered spam. This is the year the the U.S. CAN-SPAM Act went into effect, setting parameters for sending unsolicited e-mail and defined penalties for spammers.

On a separate poll of business professionals the company found that of the 261 respondents, 57 percent view spam email as the worst form of junk advertising, close to double the 31 percent that cited postal junk mail. Only 12 percent chose telemarketing.

Barracuda Networks’ poll also showed that 50 percent of users received five or fewer spam emails in their inbox each day. Almost two-thirds (65 percent) received less than 10 spam messages each day, while 13 percent were inundated with 50 or more spam emails daily.

Barracuda Networks’ report also tracked the evolving complexity of spam techniques over the past several years, finding that the majority of spam emails in 2007 utilized identity obfuscation techniques, in which spammers send email from diverse sources throughout the Internet, thus hiding their own identity from traditional reputation checks that profile sender network addresses. Further, by registering new domains or by redirecting to spam Web domains through reputable blogs, free Web site providers, or URL redirection services, spammers can effectively hide their identities from traditional reputation checks that profile spam Web domains.

Spammers also increased the usage of attachments, such as PDF files and other file formats in 2007. Prominent spam techniques from previous years include:

2006 - Image spam, botnets
2005 - Rotating URL spam
2004 - Automated generation of spam variants
2003 - Open relays, blast emails, spoofing

Spammers are increasingly emulating retail store fronts by tailoring their content around national holidays. For example, Barracuda Networks detected a significant increase in the number of emails directing recipients to phishing Web sites on Thanksgiving Day 2007 as scammers rushed to cash in on the ‘Black Friday’ and ‘Cyber Monday’ online consumer shopping sprees. In January, consumers can expect to be flooded with New Year’s Resolution spam in the form of weight loss ads and offers for online college degrees.

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