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Analysis of 13 Million Website Defacements Reveals Common Trends

According to Trend Micro’s research, the majority of website defacements occurred on sites using the open-source Apache web server running on the Linux operating system. The preponderance of Linux and Apache is not a function of any particular vulnerability present in those systems.

“The fact that the majority of defaced sites were running Apache on Linux is a function of the market share of that combination in most hosting platforms,” Nunnikhoven said.