StopBadware and Commtouchs 2012 survey of more than 600 webmasters of hacked sites. 26% of site owners reported that their site was still compromised while 2% completely abandoned their site. The process to recovery requires fairly advanced system administrator skills and knowledge of source code. The series includes over a dozen articles and 80+ minutes of informational videos. We hope that by adding our educational resources to the great tools and information already available from the security community, more hacked sites can restore their unique content.”]
Source: https://security.googleblog.com/2013/03/videos-and-articles-for-hacked-site.html