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Computer Virus Incident Report for the the 3rd Quarter of 2007

(July - September)

 


October 26, 2007
IT Security Center
Information-technology Promotion Agency, Japan (IPA)



 

This is a summary of Computer Virus Incident Report for the 3rd Quarter (July - September) 2007.


1. Reported Numbers

The reported number of virus for the 3 rd Quarter 2007 was 8,301 in total. The graph underneath (Chart 1) shows the shift in reported number for every quarter (3 months) received by IPA. As it is shown in the Chart 1, the reported number is moderately decreasing. It can be assumed that neither the newer viruses which send number of mails exist nor such viruses spread. However, in the case of Spear type of attack (Targeted attack) which targets specific business or individual, it may not able to detect even using security software. Accordingly, it is important not to open suspicious mails or files, etc. as daily preparedness.

Reported Number by Quarter (Apr. '06 - Sep. '07)

Chart1: Shift in Reported Number by Quarterly

* The %s in the above graph shows ratio actually infected.

 

2. Detection Number for Virus

The detection number of W32/Netsky, the worst reported number of virus, is also drastically decreasing in number. It can be assumed that certain countermeasures against the virus which send number of mails are penetrated among the users in respective levels.

Detection Number of Virus by Quarter (Apr. '06 - Sep. 07)

Chart 2: Shift in Detection Number of Virus by Quarterly

 

3. The Reported Number by Virus

The detection number of W32/Netsky, the worst reported number of virus, is also drastically decreasing in number. However, there is the virus which drastically increases its reported number such as W32/stration, etc. Accordingly, it is mandatory important to conduct fundamental anti-virus measures daily such as applying modification programs , use of anti-virus software , taking care for handling the files appended , etc. to prevent damages.


Reported Number of Virus (Apr. '06 - Sep. '07)

Chart 3: Shift in Reported Number by Virus

 



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