UnmaskParasites writes "To drive traffic to their online stores, software pirates hack reputable legitimate websites injecting hidden spammy links and creating doorway pages. Google's search results are seriously poisoned by such doorways. Negligence of webmasters of compromised sites makes this scheme viable — doorways remain unnoticed for years. Not so long ago, hackers began to re-configure Apache on compromised servers to make them serve doorway pages off of non-default ports, still taking advantage of using established domain names."
At the source of every error which is blamed on the computer you will find
at least two human errors, including the error of blaming it on the computer.