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Internet attacks focus on websites and e-mail links

Gerald Wee | March 31, 2009
Infected websites increase three-fold while email-borne malicious links reaches nine month high.

Spam: In March 2009, the global ratio of spam in e-mail traffic from new and previously unknown bad sources was 75.7 per cent (1 in 1.32 e-mails), an increase of 2.4 per cent since February. Spam levels for the first quarter of this year averaged 74.5 per cent compared with 71.7 per cent for the fourth quarter of 2008.

Viruses: The global ratio of e-mail-borne viruses in e-mail traffic from new and previously unknown bad sources was one in 281.4 e-mails (0.36 per cent), an increase of 0.03 per cent since February. In March, 20.3 per cent of e-mail-borne malware contained links to malicious sites, an increase of 16.5 per cent since February. Virus levels for the first quarter of 2009 averaged 281.2 malicious e-mails compared with one in 154.9 in the fourth quarter of 2008.

Phishing: One in 284.6 e-mails (0.35 per cent) comprised some form of phishing attack, a decrease of 0.17 per cent in the proportion of phishing attacks compared with February. When judged as a proportion of all e-mail-borne threats such as viruses and Trojans, the number of phishing e-mails had increased by 37.3 per cent to 98.9 per cent of all e-mail-borne malware threats intercepted in March. Phishing levels for the first quarter of this year averaged 74.5 per cent, compared with 71.7 per cent for the fourth quarter of 2008. 

 

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