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Daren Lewis | 15 Sep 2009 | 0 comments

The most common trigger for policy-based filtering applied by the MessageLabs Web Security Service for its business clients was the “Advertisements & Popups” category, down by 2.07% since July, to 58.03% in August.

Analysis of web security activity shows that 45.4% of all web-based malware intercepted was new in August, an increase of 44.7% since July, and 19.5% of web-based spyware was new, a 0.01% decrease since the previous month.

An average of 3,510 websites per day were identified as harboring malware and other potentially unwanted programs such as spyware and adware; a decrease of 2.9% since July.

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The chart below shows the increase in the number of new spyware and adware websites blocked each day on average during August compared with the equivalent number of web-based malware websites blocked each day.

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Daren Lewis | 15 Sep 2009 | 0 comments

Spam: In August 2009, the global ratio of spam in email traffic was down by 0.9% from the previous month at 88.5% (1 in 1.13 emails).

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Hong Kong was the most spammed country in August although levels fell by 0.8% to 93.4% Spam levels in the US and Canada rose to 89.5% and 88.7% respectively. The majority of other countries saw a decline in August with levels in the UK falling to 91.6%, Germany to 90.4%, France to 90.7%, and The Netherlands to 86.3%. Levels in Australia and Japan declined to 90.6% and 89.2% respectively.

Anti-Virus and Trojans: The global ratio of email-borne viruses in email traffic was 1 in 296.6 emails (0.34%) in August, almost unchanged since July.

In August, 14.8% of email-borne malware contained links to malicious websites, a decrease of 0.4% since July. Spoofed postcard mails were responsible for 21.3...

Daren Lewis | 14 Sep 2009 | 0 comments

Welcome to the new MessageLabs Intelligence blog. For a decade the MessageLabs team has been protecting our clients against internet threats. With services across multiple communication channels – email, IM and web – we see billions of connections per day and have a unique view of the challenges of conducting your business online. Now as part of Symantec we will be highlighting our understanding of the threat landscape, emerging threats and other business challenges that our hosted services address. We will also give you insight into our plans to help our clients deal with these issues through enhancements to our existing services and new innovations.