SMBs’ websites are often used by cybercriminals “as a vector for monetization,” says SiteLock president Neill Feather. Blogs with active comment sections may be popular targets for spam, malvertising, and “resource theft” 29% of hacked sites were infected with shell programs, 73% contained backdoors, says Feather. For a small business, the material impact of these compromises can be dire, he says. “They’re in business one day, and the next day they’re not,” he says.”]
Source: https://www.darkreading.com/cloud/study-backdoors-found-on-73-of-compromised-websites