Cloud services from Amazon, Google and GoDaddy are host to the most malware on the internet, according to a new report.
The Quarterly Threat Intelligence Report by the Security Engineering Research Team (SERT) analysed the most active malware distribution channels and looked at the implications of widespread cloud adoption.
It found that the growing trend of cloud computing has offered a new mode for attackers to distribute malware.
The benefit of using trusted address spaces like Amazon or Google is that the attackers are able to avoid being blocked by geographic blacklists, as well as keeping down costs to create transient networks to spread malware undetected.
The report also found that more than 40 major anti-virus engines fail to detect malware.
"Malware and, more specifically, its distributors are utilizing the technologies and services that make processes, application deployment and website creation easier," said Rob Kraus, Director of Research at SERT.
"Now we have to maintain our focus not only on the most dangerous parts of the Web but also on the parts we expect to be more trustworthy."
Earlier this month, scientists at the University of Cambridge found that many people were ignoring malware warnings due to vague and general warnings.
Malware warnings to users that used clear, concise and unthreatening language were far more affective at preventing users from ignoring browser warnings.
Ross Anderson, one of the scientists behind the research, said: "People ignore general warnings such as that a web page 'might harm your computer' but do pay attention to a specific one such as that the page would 'try to infect your computer with malware designed to steal your bank account and credit card details in order to defraud you'."