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Threats and Trends january 2007

The total number of reconnaissance attacks has decreased slightly during December. At the end of the month, a new vulnerability in Symantec Antivirus and Firewall software was published resulting in a sudden rise in scans for this service.

Focus of the Month

During 2006 there has been an increase in client-side attacks as exploits in web browsers, e-mail clients and in particular Office applications. Office files are popular attack vectors because such files are often not blocked by any security mechanisms and users are allowed to download and open these files. An infected Office document is therefore a natural way to attack as there is a great chance that it will reach the end user unmodified by security mechanisms.