How to resolve reported as attack site

It is shocking when Google reports your website as attack site. In this post I want to list the actions that should be taken in order to resolve this issue.
Of course it is frustrating when your website got attacked, possibly it means the loss of data and other potential damage. The important thing is to act quickly in order to avoid further damage and to get the website back up running again. Inform your webhoster Change your passwords Identify and understand the attack Setup your website based on a clean backup Inform Google