In the 3rd quarter 2012, SWITCH-CERT has helped to clean 1260 malware distributing websites under the .ch and .li top level domains. This is more than twice than in the quarters before.
The dramatic rise of compromised websites in Q3 2012 is most likely due to a vulnerability in the popular Plesk server admin software, that allowed attackers to access the websites and enabled them to inject their invisible code. Exploit kits were commercially available on the internet.
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