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14

Symantec Global internet Security threat report

5%

5%

5%

7%

7%

1%

2%

3%

8%

7%

24%

29%

15%

15%

16%

19%

15%

17%

2008

2009

“419” type

Fraud

Leisure

Adult

Health

Political

Commercial products

Internet

Scams

Financial

Figure 3. Top spam categories Source: Symantec

While financial phishing and spam did not experience significant changes in 2009, the percentage of advertisements for credit card information on underground economy servers decreased (table 5). Although the drop from 32 percent in 2008 to 19 percent in 2009 appears to be significant, the percentage observed in 2007 was 21 percent, which may indicate that there was higher availability of credit card numbers on underground economy servers in 2008. the number of data breaches reported in those years is a further indication of this. there were over twice as many data breaches reported in 2008 than in 2007. Similarly, there were almost twice as many data breaches reported in 2008 than there were in 2009.

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